TOBO STEEL GROUP CHINA

TOBO STEEL GROUP CHINA

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3/4'' PN40 Steam Safety Relief Valves Stainless Steel 316L

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TOBO STEEL GROUP CHINA
City:shanghai
Province/State:shanghai
Country/Region:china
Contact Person:MsTOBO
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3/4'' PN40 Steam Safety Relief Valves Stainless Steel 316L

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Brand Name :TOBO
Model Number :316L
Certification :DIN EN ISO
Place of Origin :China
MOQ :1Pcs
Price :Negotiation
Payment Terms :L/C, T/T, Western Union
Supply Ability :10000Pcs Per Month
Delivery Time :10 working days
Packaging Details :Ply- Wooden Pallets or according to clients request
Product Name :Steam Pressure Release Valve
Material :A351 CF8M
Type :Angle
Application :Oil, Gas, Water, Steam Etc
Body :Stainless Steel 316L
Temperatures :-10°C to 350°C.
Size :3/4''
Pressure :PN40
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3/4'' PN40 Stainless Steel 316L Safety Relief Valve for Steam

Key features:

  • Available in Lever or Dome Top, sizes 1/2" x 3/4" to 2" x 2" (Lever) and 1/2" to 2" x 2" (Dome).

  • 316L Stainless Steel body.

  • Maximum temperature: -10°C to 350°C.

  • Pressure range: PN40 rated.

Safety Valve - How They Work

A safety valve is a safety device designed to control the pressure in the system. If the pressure is uncontrolled, it can build up in the system causing equipment failure, explosions or fire hazards.

This valve is designed to open at a predetermined pressure to avoid equipment failure as a result of being subjected to the pressure that exceeds there design limits. Once the valve opens due to excess pressure, the media is discharged until the pressure drops to it's acceptable limit and the

valve is than automatically closed.

Standard safety valve, complete with carbon filled PTFE valve seal, closed bonnet, gastight Outlet: female thread Rc 3/8 acc. to ISO 7/1 "cleaned and degreased for oxygen service"

Applications:


Provided as safety device for protection against thermal expansion in pipeworks and parts of facilities.

Approved for air gases, vapours and cryogenic liquefied gases incl. LNG.
Working temperature: -196°C / -321°F (77K) up to +65°C / +149°F (338K), suitable for horizontal installation

Materials

DIN EN

ASME/ASTM

1 Body 1.4408 A 351 CF8M
2 Disc PTFE / Carbon filled (25%)
3 Guide plate 1.4301 A 276 Grade 304
4 Stem 1.4301 A 276 Grade 304
5 Spring 1.4571 A 313 Grade 316Ti
6 Bonnet 1.4301 A 276 Grade 304
7 Spring clamp 1.4305 A 276 Grade 303
8 Thread ring 1.4305 A 276 Grade 303
9 Cap 1.4301 A 276 Grade 304

Type 06011 Technical data
Nominal size GW 1/4 3/8 1/2
Orifice d0 6.0 6.0 6.0
Dimension code .X. 0200 0300 0400
Set pressure range bar 5.0-55.0 5.0-55.0 5.0-55.0
Height H 70 70 70
Length L1 13 15 17
Length L2 13 13 13
Wrench size across flats S1 19 19 19
Wrench size across flats S2 19 19 19
Weight ca. kg 0.18 0.195 0.21
Coefficient of discharge αw 0.09 0.09 0.09

Important terminology

  • Overpressure: The excess pressure over the set pressure of the safety valve.
  • Operating pressure: The pressure at which the system works under normal operating conditions.
  • Set pressure: The pressure at which the disc begins to lift, and the safety valve opens.
  • Lift: The measure of distance the disc has moved from it's closed position to the position that is required for discharge.
  • Backpressure: The pressure built up on the outlet of the safety valve during the flow.
  • Back Pressure = Built up backpressure + Superimposed back pressure.
  • Built up backpressure: The pressure at the outlet once the safety valve has opened.
  • Superimposed back pressure: The pressure at the outlet of the closed safety valve.
  • Maximum allowable working pressure (MAWP): The maximum allowable pressure at a designated temperature under normal operating conditions. Simply, MAWP is the maximum pressure that the weakest component of the pressure device can handle.
  • Blowdown: The difference between the actual pressure at which the disc lifts and actual pressure at which the valve closes. It is generally expressed in percentage.
  • Blow off capacity: The rate at which the excess pressure can be released.

Packing Details:

We choose suitable wood cases according to different valves and arrange skilled workers to pack in case of bruise. Long term cooperated forwarder will book space, clear customs and transport for us without delay. There are three ways for transportation, by sea, by air and by train. We will arrange transportation according to customers' needs.

Delivery Details: According to the order, 7~60days

3/4'' PN40 Steam Safety Relief Valves Stainless Steel 316L

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