Diaphragm control valve
Ordinary Temperature
Gas, Oil, Water, Acid
Standard
Flange
Manual
Wcb, Wc6, Wc9, Lcb, Ht200, Zg230-450 etc.
Diaphragm
Pn16 ~ Pn63
Air,Water,Steam,Various Corrosive Media,Mud,etc.
OEM
Plywood
China
84818090
Product Description

High temperature material | |
Part Name | Material |
Valve body, bonnet | WCB,WC6,WC9,CF8,CF8M,CF3,CF3M |
Spool, seat | 304,316,316L,410,20,17-4PH,Monel alloy, Hastelloy |
Cage | CF8,CF8M |
Valve stem | 304,316,316L,420,17-4PH |
Note: Special materials are available upon request. |
Valve body material use temperature, pressure range | |||||||||
Temperature(ºC) | 150# | 300# | 600# | ||||||
WCB | CF8 | CF8M | WCB | CF8 | CF8M | WCB | CF8 | CF8M | |
-196~38 | - | 1.90 | 1.90 | - | 4.95 | 4.95 | - | 9.91 | 9.92 |
-45~38 | - | 1.90 | 1.90 | - | 4.95 | 4.95 | - | 9.91 | 9.92 |
-5~38 | 1.96 | 1.90 | 1.90 | 5.10 | 4.95 | 4.95 | 10.20 | 9.91 | 9.92 |
50 | 1.92 | 1.84 | 1.84 | 5.00 | 4.77 | 4.80 | 10.01 | 9.56 | 9.62 |
100 | 1.76 | 1.61 | 1.61 | 4.63 | 4.08 | 4.21 | 9.27 | 8.17 | 8.43 |
150 | 1.57 | 1.47 | 1.47 | 4.51 | 3.62 | 3.85 | 9.04 | 7.26 | 7.69 |
200 | 1.40 | 1.37 | 1.37 | 4.38 | 3.27 | 3.56 | 8.75 | 6.54 | 7.12 |
250 | 1.20 | 1.20 | 1.20 | 4.16 | 3.04 | 3.34 | 8.33 | 6.10 | 6.67 |
300 | 1.01 | 1.01 | 1.01 | 3.87 | 2.91 | 3.15 | 7.74 | 5.80 | 6.32 |
350 | 0.84 | 0.84 | 0.84 | 3.69 | 2.81 | 3.03 | 7.38 | 5.60 | 6.07 |
375 | 0.73 | 0.73 | 0.73 | 3.64 | 2.77 | 2.96 | 7.28 | 5.54 | 5.93 |
400 | 0.64 | 0.64 | 0.64 | 3.44 | 2.74 | 2.91 | 6.89 | 5.48 | 5.81 |
425 | 0.55 | 0.55 | 0.55 | 2.88 | 2.71 | 2.87 | 5.74 | 5.42 | 5.72 |
450 | 0.47 | 0.47 | 0.47 | 1.99 | 2.68 | 2.81 | 4.00 | 5.37 | 5.61 |
475 | 0.37 | 0.37 | 0.37 | 1.35 | 2.65 | 2.73 | 2.70 | 5.30 | 5.46 |
500 | 0.28 | 0.28 | 0.28 | 0.88 | 2.60 | 2.67 | 1.75 | 5.20 | 5.37 |
525 | 0.18 | 0.18 | 0.18 | 0.51 | 2.19 | 2.57 | 1.03 | 4.77 | 5.15 |
538 | 0.13 | 0.15 | 0.15 | 0.34 | 2.18 | 2.53 | 0.72 | 4.55 | 5.06 |
Temperature(ºC) | PN1.6 | PN4.0 | PN6.3 | PN10 | Temperature(ºC) | PN1.6 | PN4.0 | PN6.3 | PN10 |
ZG230-450 | ZGOVr18Ni9 | ||||||||
-5~200 | 1.60 | 4.00 | 6.30 | 10.00 | -45~200 | 1.60 | 4.00 | 6.30 | 10.00 |
-250 | 1.40 | 3.50 | 5.40 | 9.00 | -300 | 1.40 | 3.50 | 5.40 | 9.00 |
-300 | 1.20 | 3.00 | 4.00 | 7.50 | -400 | 1.20 | 3.00 | 4.00 | 7.50 |
-350 | 1.10 | 2.60 | 4.00 | 6.60 | -480 | 1.10 | 2.60 | 4.00 | 6.60 |
-400 | 0.90 | 2.30 | 3.70 | 5.80 | -520 | 0.90 | 2.30 | 3.70 | 5.80 |
-425 | 0.80 | 2.00 | 3.20 | 5.00 | -560 | 1.80 | 2.00 | 3.20 | 5.00 |
-435 | 0.70 | 1.80 | 2.80 | 4.50 | |||||
-445 | 0.62 | 1.60 | 2.50 | 4.20 | |||||
-455 | 0.57 | 1.40 | 2.30 | 3.60 |

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.

