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Fire Safety for Very Tall Buildings

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Elbow 90 , Tee , Host Nipple , Street Elbow , Coupling , Round Cap , Red Socket ,
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90 Elbow

ข้องอ 90 เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

10 TEE


3 ทาง เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"



ท่อเกลียว เกรดอุตสาหกรรม
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Street Elbow

ตัวข้องอ เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"



ยอย เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"


Round Cap

ฝาครอบเกลียว เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"


Reduce Socket

ข้อต่อลด เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"


Hex Bushing

ข้อลดเหลี่ยม เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"


Square Plug

ปลั๊กอุด เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"



ยูเนียน เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"


Reduce Nipple

ลดเกบียว เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"



เกลียวกากบาท เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

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Ball Valve 1pc , 2pc ,3pc , Gate Valve , Globe Valve , Y-Strainer , Swing Check Valve , Spring Check Valve ,Needle Valve

Ball Valve 1 pc

วาล์ว บอล 1 ชิ้น เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"


Ball Valve 2 pc

วาล์ว บอล 2 ชิ้น เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"


Ball Valve 3 pc

วาล์ว บอล 3 ชิ้น เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"


Ball Valve 3 way

วาล์ว บอล 3 ทาง เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"


Needle Valve

วาล์วเข็ม เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"


Gate Valve

วาล์วประตู เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"


Globe Valve

วาล์วควบคุม เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"


Y Strainer

ตัวกรอง Y เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"


Swing Check Valve

ประตูลิ้นกลับ เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"


Spring Check Valve

วาล์วปิดกลั้นทางเดียว เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

Fitting Stainless

จำหน่ายฟิตติ้งสแตนเลสเกรดโรงงานอุตสาหกรรม ราคาถูก

Valve Stainless

จำหน่ายวาล์วสแตนเลส 304 ,316 ราคาส่งโรงงาน

Fitting Brass

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Ball Valve 1pc , 2pc ,3pc , Gate Valve , Globe Valve , Y-Strainer , Swing Check Valve , Spring Check Valve ,Needle Valve
1 Brass Adapter

Brass Adapter

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

2 Brass Bushing

Brass Bushing

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

3 Brass 90 Elbow

Brass 90 Elbow

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

4 Brass Hose Nipple

Brass Hose Nipple

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

5 Brass Nipple

Brass Nipple

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

6 Brass Reduce Nipple

Brass Reduce Nipple

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

7 Brass Tee

Brass Tee

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

8 Brass Union

Brass Union

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

9 Brass Ball Valve 1pc

Brass Ball Valve 1 pc

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

10 Brass Ball Valve 2pc

Brass Ball Valve 2 pc

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

11 Brass Ball Valve 3pc

Brass Ball Valve 3 pc

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

12 Brass Ball Valve 3way

Brass Ball Valve 3 way

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

Very tall buildings have distinctive hearth safety design issues that aren’t skilled in other kinds of buildings. For example, as a result of the height of the construction is past the attain of ladders, tall buildings are geared up with more hearth safety features as it isn’t possible for the hearth division to provoke exterior rescues from ladders and suppress fires with exterior hose streams.
In เกจวัดแรงดันน้ำไทวัสดุ to fireplace security, the efficiency history of very tall buildings while very successful, has not been without catastrophic incidents. Many of those incidents have resulted in 1) numerous deaths and accidents, 2) excessive property loss and 3) disruptions in enterprise continuity. For instance, the One Meridian Plaza high-rise fireplace in Philadelphia that occurred in 1991 resulted in the lack of three firefighters and constructing never being re-opened. In 1988, the fireplace within the Interstate Bank Building in Los Angeles experienced one fatality and resulted within the building being out of use for six months.
Based on research and lessons learned, the model constructing codes have made significant progress in addressing fireplace safety issues in very tall buildings. At the identical time, the complexity and distinctive challenges of today’s very tall buildings have created an setting where complete performance-based options have turn into a necessity.
To assist the design group with developing performance-based fireplace safety solutions for very tall buildings, in 2013, the Society of Fire Protection Engineers (SFPE) partnered with the International Code Council (ICC) to develop the Engineering Guide: Fire Safety in Very Tall Buildings.1 This publication is written as a guide for use along side local codes and standards and serves as an added device to these involved within the fire safety design of unique tall buildings. The information focuses on design issues that affect the fireplace safety performance of tall buildings and how engineers can incorporate performance-based hearth protection by way of hazard and danger evaluation methodologies into the design of tall buildings. This article will discuss a few of the unique fire safety design strategies/methodologies employed in the design of tall buildings which might be referenced within the ICC/SFPE Guide.
Emergency Egress
Developing an efficient evacuation strategy for a tall building is challenging as the time to finish a full constructing evacuation will increase with building top. At the same time, above sure heights, the normal technique of requiring all occupants to simultaneous evacuate is most likely not sensible as occupants turn into extra weak to additional dangers when evacuating via stairways. That is why tall buildings often make use of non-traditional or alternative evacuation strategies.
When designing an egress plan for a tall constructing, the first goal should be to supply an appropriate means to allow occupants to maneuver to a place of security. To accomplish this goal, there are several evacuation methodologies which would possibly be available to the design group. These evacuation methods can include however are not restricted to 1) defend-in-place, 2) transferring individuals to areas of refuge and 3) phased/progressive evacuation. It can also be potential that a mixture of these methods could be this greatest resolution. When deciding on an applicable technique, the design group ought to think about the required level of security for the building occupants and the constructing performance goals which may be recognized by the building’s stakeholders.
Using protected elevators has turn out to be one other evacuation strategy that is changing into more prevalent within the design of tall buildings. In addition to aiding the fireplace division with operations and rescues, protected elevators are actually getting used for constructing evacuation, notably for occupants with disabilities. When contemplating elevators in an evacuation technique, there are a selection of design considerations to think about: 1) safety and reliability of the elevators, 2) coordination of elevator controls and building security methods, 3) education of building occupants and first responders and 4) communication to constructing occupants in the course of the emergency.
Tall buildings usually employ non-traditional or various evacuation strategies.
Fire Resistance
The penalties of partial or world collapse of tall buildings as a outcome of a extreme hearth pose a major threat to numerous people, the fire service and surrounding buildings. At the identical time, tall buildings typically have distinctive design features whose position within the construction and hearth response aren’t easily understood using conventional hearth safety strategies. These distinctive factors may warrant a must undertake a sophisticated structural hearth engineering evaluation to show that the building’s performance goals are met.
Performance-based design of structural fireplace resistance entails three steps: (1) determination of the thermal boundary circumstances to a construction resulting from a fireplace; (2) calculation of the thermal response of the construction to the hearth exposure, and (3) determination of the structural response of the structure. Guidance on performing this type of evaluation can be found within the SFPE Engineering Standard on Calculating Fire Exposures to Structures2, and SFPE Engineering Standard on Calculation Methods to Predict the Thermal Performance of Structural and Fire Resistive Assemblies.3
Water-Based Fire Suppression Systems
In tall buildings, the water supply required for hearth protection methods may be higher than the potential of the basic public water provide. As such, hearth safety system water supplies for sprinkler techniques and standpipes require the usage of pumps and/or gravity water tanks to boost the water strain. Reliability of this water provide is a key consideration. As such, redundant fire pumps, gravity-based storage supplies, or each may be wanted to reinforce system reliability.
Another issue to consider when designing water-based fire suppression methods is pressure management as it is potential for system parts to be uncovered to pressures that exceed its maximum working pressure. Consequently, it could be essential to design vertical pressure zones to control pressures within the zone. Additionally, stress regulating valves are often wanted. When installed, care must be taken to make certain that these stress regulating valves are installed correctly and adequately maintained.
Fire Alarm and Communication Systems
Providing building occupants with correct information throughout emergencies will increase their capability to make acceptable selections about their own safety. Fire alarm and communication techniques are an essential source of this data. Very tall buildings make use of voice communication methods which are integrated into the fireplace alarm system. When designing voice communication techniques it could be very important ensure that the system provides reliable and credible information.
Fire alarm system survivability is another import factor to contemplate in hearth alarm system design. For tall buildings, consideration must be given so that an attack by a fire in an evacuation zone doesn’t impair the voice messaging outside the zone. Some of the design considerations to realize survivability could embrace: 1) protection of management tools from hearth, 2) protection of circuits. 3) configuration of circuits and 4) shielding of panels.
Tall buildings usually employ smoke management techniques that both vent, exhaust or limit the unfold of smoke.
Smoke Control
Controlling the spread of smoke is extra complicated in tall buildings. For instance, tall buildings expertise a phenomenon referred to as stack effect. Stack effect happens when a tall constructing experiences a pressure distinction all through its height as a outcome of temperature differentials between the surface air temperature and the within constructing temperature. This causes air to move vertically, relying on the outside air temperature – either upward or downward in a building. It also can cause smoke from a building fire to unfold throughout the constructing if not managed. That is why tall buildings typically make use of smoke administration methods that either vent, exhaust or restrict the unfold of smoke.
Other considerations in tall buildings included the air movement created by the piston effect of elevators and the results of wind. Air movement brought on by elevator vehicles ascending and descending in a shaft and the consequences of wind can lead to smoke movement in tall buildings. These impacts become more pronounced as the height of the building enhance.
Because very tall buildings complicate smoke unfold, effective smoke management is tougher to attain. The possible solutions are numerous and include a mix of lively and passive options similar to however not limited to: 1) smoke barrier partitions and flooring, 2) stairway pressurization systems, 3) pressurized zoned smoke management supplied by the air-handling gear, and 4) smoke dampers. The answer implemented into the design wants to handle the constructing itself, its uses, related occupant characteristics and reliability.
First Service Issues
It goes without saying that tall buildings present distinctive challenges to the hearth service. During the planning and design phases, it is necessary for the design group to work with the fireplace service to debate the type of resources which might be needed for an incident and the actions that will be wanted to mitigate an incident. This contains growing development and post-construction preplans. These preplans should embrace and not be restricted to creating provisions for 1) fireplace service access together with transport to the highest level of the building, 2) establishing a water supply, 3) standpipe systems (temporary and permanent), 4) communication methods, and 5) understanding the operations of the hearth protection techniques within the constructing.
One of the challenges the fireplace service faces during incidents in tall buildings is the flexibility of firefighters to move gear to the incident location. Designers should keep in mind how the hearth service can transport its equipment from the response stage to the highest level in a protected manner.
Additionally, care must be taken when designing the hearth command heart as it will provide the hearth service command staff with essential information about the incident. The fire command heart must be accessible and should embrace 1) controls for building methods, 2) contact info for constructing management, 3) current buildings plans, 4) emergency response and egress plans and 5) preplans.
1 International Code Council/SFPE. (2013). Engineering Guide: Fire Safety for Very Tall Buildings. Country Club Hills, IL.
2 SFPE. (2011). SFPE Standard S.01 2011, Engineering Standards on Calculating Fire Exposures to Structures. Gaithersburg, Maryland.
3 SFPE. 2015). SFPE Standard S.02 2015, SFPE Engineering Standard on Calculation Methods to Predict the Thermal Performance of Structural and Fire Resistive Assemblies. Gaithersburg, Maryland.