Pilot operated safety relief valve
Gas, Liquid
ISO, API, ASME
-196ºC ~ 200ºC
Flange
Adjustable
Open
Spring
Cast Iron
150lb ~ 2500lb
OEM
Plywood
1" - 10"
China
84818090
Product Description


Ref.No | Part Name | Sign of Materials | |||||||
C | cs | C6 | C9 | CM | cc | CB | L | ||
1 | Body | WCB | WCB | WC6 | WC9 | WCB | WCB | WCB | LCB |
2 | Nozzle | 304 | 316 | 316 | 316 | Monel | H. C | H. B | 304 |
3 | Nozzle Ring | CF8M | CF8M | CF8M | CF8M | CF8M | CF8M | CF8M | CF8M |
4 | Set Screw | 304 | 304 | 304 | 304 | 304 | 304 | 304 | 304 |
5 | Disc | 304 | 316 | 316 | 316 | Monel | H. C | H. B | 304 |
6 | Disc Holder | 420 | 420 | 420 | 420 | 630 | 630 | 630 | 420 |
7 | Guide | 304 | 304 | 304 | 304 | 304 | 304 | 304 | 304 |
8 | Spring Washer | C. St. | C. St. | C. St. | C. St. | 420 | 420 | 420 | C. St. |
9 | Spring | Alloy St. | Alloy St. | Alloy St. | Alloy St. | St. St. / Alloy St. | St. St. / Alloy St. | St. St. / Alloy St. | Alloy St. |
10 | Spindle | 420 | 420 | 420 | 420 | 420 | 420 | 420 | 420 |
11 | Bonnet | WCB | WCB | WCB | WCB | WCB | WCB | WCB | WCB |
12 | Adjusting Bolt | 420 | 420 | 420 | 420 | 420 | 420 | 420 | 420 |
13 | Cap | WCB | WCB | WCB | WCB | WCB | WCB | WCB | WCB |
14 | Adj, Bolt Nut | C. St. | C. St. | C. St. | C. St. | C. St. | C. St. | C. St. | C. St. |
15 | Plug | C. St. | C. St. | 304 | 304 | C. St. | C. St. | C. St. | 304 |
16 | Bellows | 316L | 316L | 316L | 316L | 316L | 316L | 316L | 316L |
17~23 | Gaskets | Non- Asbestos | Non- Asbestos | Non- Asbestos | Non- Asbestos | Non- Asbestos | Non- Asbestos | Non- Asbestos | Non- Asbestos |
24 | Bolt | A193-B7 | A193-B7 | A193-B7 | A193-B7 | A193-B7 | A193-B7 | A193-B7 | A193-B8 |
25 | Nut | A194-2H | A194-2H | A194-7 | A194-7 | A194-2H | A194-2H | A194-2H | A194-8 |
Ref. No | Part Name | Sign of Materials | ||||||||||||
LS | S | S1 | SM | SL | M | HC | HB | |||||||
1 | Body | LCB | CF8 | CF8 | CF8M | CF3M | Monel | H. C | H. B | |||||
2 | Nozzle | 316 | 316 | 304 | 316L | 316L | Monel | H. C | H. B | |||||
3 | Nozzle Ring | CF8M | CF8M | CF8M | CF8M | CF8M | Monel | H. C | H. B | |||||
4 | Set Screw | 304 | 304 | 304 | 316 | 316L | Monel | H. C | H. B | |||||
5 | Disc | 316 | 316 | 304 | 316L | 316L | Monel | H. C | H. B | |||||
6 | Disc Holder | 420 | 420 | 420 | 630 | 630 | Monel | H. C | H. B | |||||
7 | Guide | 304 | 304 | 304 | 316 | 304 | 316L | 304 | Monel | 304 | H. C | 304 | H. B | 304 |
8 | Spring Washer | C. St. | 420 | 420 | 420 | 420 | 420 | 420 | 420 | |||||
9 | Spring | Allo y St. | St. St./ Alloy St. | St. St./ Alloy St. | St. St./ Allo y St. | St. St. / Alloy St. | St. St. / Alloy St. | St. St./ Alloy St. | St. St./ Alloy St. | |||||
10 | Spindle | 420 | 420 | 420 | 630 | 420 | 630 | 420 | 630 | 420 | 630 | 420 | 630 | 420 |
11 | Bonnet | WCB | CF8 | CF8 | CF8M | CF8 | CF3M | CF8 | Monel | CF8 | H. C | CF8 | H. B | CF8 |
12 | Adjusting Bolt | 420 | 420 | 420 | 420 | 420 | 420 | 420 | 420 | |||||
13 | Cap | WCB | CFB | CF8 | CF8 | CF8 | CF8 | CF8 | CF8 | |||||
14 | Adj, Bolt Nut | C. St. | 420 | 420 | 420 | 420 | 420 | 420 | 420 | |||||
15 | Plug | 304 | 420 | 420 | 316 | 316L | Monel | H. C. | H. B. | |||||
16 | Bellows | 316L | 316L | 316L | NO | 316L | NO | 316L | NO | Monel | NO | H. C. | NO | H. B. |
17~23 | Gaskets | Non- Asbestos | PTFE | PTFE | PTFE | PTFE | PTFE | PTFE | PTFE | PTFE | PTFE | PTFE | PTFE | PTFE |
24 | Bolt | A193-B8 | A193-B8 | A193-B8 | A193-B8 | A193-B8 | A193-B8 | A193-B8 | A193-B8 | |||||
25 | Nut | A194-8 | A194-8 | A194-8 | A194-8 | A194-8 | A194-8 | A194-8 | A194-8 |


Flange pressure(Class) code | |||||||
Code | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Class (Lb/MPa) | 150/2.0 | 300/5.0 (Low pressure) | 300/5.0 | 600/11 | 900/16 | 1500/26 | 2500/42 |
Code | A | B | C | D | E | F | G |
Class (MPa/ Bar) | 1.0/10 | 1.6/16 | 2.5/25 (Low pressure) | 2.5/25 | 4.0/40 (Low pressure) | 4.0/40 | 6.3/63 |
Code | H | J | k | ||||
Class (MPa/ Bar) | 10/100 | 16/160 | 25/250 |


We mainly provide safe and reliable API ,JIS ,DIN Standard ball valve, gate valves, globe valves, check valves, fitting flange etc. for pipeline fluids.
We are a company with 20 years of production and sales experience. We mainly provide safe and reliable API, JIS, DIN Standard ball valve, gate valves, globe valves, check valves, fitting flange etc. for pipeline fluids.
Have API6D, CE, ISO certificate.

· Casting room: 8 casting line, 20,000 square. 2,000 Ton / Year
· Workshop: 40,000 square meters, 270,000 Valves / Year( Including The automatic production line for flange ball valves 5,000 square, 500 PCS / Day )
· Stock : 30 Millon RMB SS valve
Our main customers are distributors and wholesalers at all levels. The main materials are WCB, CF8, CF8M, CF3, CF3M, Duplex, Brass, cast iron, pressure from 150LB to 2,500LB. PN16 - PN160, 10K, 20K, Caliber 1/2″-40", connection method RF, RTJ, FF, BW, etc.

Company purpose: To provide reliable, efficient and flexible service, adhere to high quality, low price, fast delivery, professional quality control and good after-sales service attitude! Our goal is to become a reliable supplier of products in the petroleum industry.

