Stainless Steel Safety Relief Valves SS316 Threaded Ends 600LB
Brand Name:TOBO
Certification:DIN EN ISO
Model Number:SS316
Minimum Order Quantity:1Pcs
Delivery Time:10 working days
Payment Terms:L/C, T/T, Western Union
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Shanghai Shanghai China
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No.208,Lvdi Road,Baihe Town,Qingpu District,Shanghai,China
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Product Details
SS316 Threaded Ends 600LB Stainless Steel Safety Relief Valve
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"
| DN | R | do | S | H= | L1 | L | G | Weight Kg. |
| 15 | 1/2" | 16 | 30 | 176 | 54 | 35 | 1/2" | 1 |
| 20 | 3/4" | 20 | 34 | 189 | 59 | 37 | 3/4" | 1.2 |
| 25 | 1" | 25 | 40 | 221 | 70 | 42 | 1" | 1.7 |
| 32 | 1 1/4" | 31 | 48 | 247 | 83 | 45 | 1 1/4" | 2.1 |
| 40 | 1 1/2" | 37 | 56 | 269 | 89 | 55 | 1 1/2" | 3 |
| 50 | 2" | 48 | 66 | 305 | 104 | 67 | 2" | 4.7 |
| 65 | 2 1/2" | 62 | 86 | 362 | 116 | 76 | 2 1/2" | 9 |
| 80 | 3" | 73 | 98 | 383 | 125 | 84 | 3" | 11.5 |
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
Stainless Steel Safety Relief Valves SS316 Threaded Ends 600LB
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