CLASS 150~1500 CAST STEEL FIXED BALL VALVE
Bolted cover, Two-piece or three-piece Body, fixed Ball
Full or Reduced bore, Blowout Proof Stem
Fire safe and Anti static
Dual seat with injection and drain & outlet
ASTM A216 WCB, A351 CF8, A351 CF8M,
A351 CF3, A351 CF3M, A351 CN7M
Standards compliance
Design and Manufacture: API 6D
Face to face(end to end): API 6D
Flanged connection: 2~~24~to ANSI B16.5
Fire-safe: API 607, API 6FA
Butt welded end: ANSI B16.25
Test and inspection: API 6D
Materials
NO. Part name Material
21 Drain plug Carbon steel/stainless steel
20 Worm gear/actuator Manufacture's standard
19 Antistatic device Stainless steel
18 Constact spring 17-7PH/inconel-Alloy
17 O-ring Viton
16 Ball guide bush Carbon steel/SS
15 Cover washer PTFE/NYLON
14 Thrust washer Graphite PTFE/NYLON
13 Stem CS+Plated/stainless steel
NO. Part name WCB LCB
12 Socket head screw A193 Gr B7 A320 Gr L7
11 Stud and nut A193 Gr B7/A194 Gr 2H A320 Gr L7/A194 Gr 4
10 Gasket PTFE/SPIRAL WOUND PTFE/SPIRAL WOUND
09 Packing PTFE/Graphite Graphite/PTFE
08 Seat ring PTFE/RPTFE PTFE/RPTFE
07 Sealing plate A216 Gr WCB A352 Gr LCB
06 Stem retainer A216 Gr WCB A352 Gr LCb
05 Ball guide A105N+Nip A182 F304
04 Ball seat A182 F304 A182 F304
03 Ball A182 F6a A182 F304
02 R-body A216 Gr WCB A352 Gr LCB
01 L-body A216 Gr WCB A352 Gr LCB
NO. Part name CF8 CF8M
12 Socket head screw A193 Gr B8 A193 Gr B8
11 Stud and nut A193 B8/A194 8 A320 B8M/A194 B8
10 Gasket PTFE/SPIRAL WOUND PTFE/SPIRAL WOUND
09 Packing GRAFOIL GRAFOIL
08 Ball seat PTFE/RPTFE PTFE/RPTFE
07 Sealing plate A315 Gr CF8 A315 Gr CF8M
06 Stem retainer A315 Gr CF8 A315 Gr CF8M
05 Ball guide A315 Gr CF8 A315 Gr CF8M
04 Seat ring A182 F304 A182 F316
03 Ball A315 Gr CF8 A315 Gr CF8M
02 R-body A315 Gr CF8 A315 Gr CF8M
01 L-body A315 Gr CF8 A315 Gr CF8M
China Zhengguang Valve Group Co., Ltd., is located in wenzhou dong'ou hi-tech industrial zone on the bank of oujiang river, opposite to wenzhou downtown accross the river. Founded in 1993, now the company has a building area of 35mu, 260 set of equipment and a annual output of more than 10, 000 tons of valves. At present, there are 358 employees and 38 technicians of all kinds with 3 professor-level and senior engineers among them.
Successfully, the company has obtained iso9001 certificate of international quality system, az safety register for special presssure equipments, api certificate of american petroleum institute, ce certificate of ec for pressure equipment, iso14001 certificate of international environment management system and ohsmsi18001 certificate of professional health safety management system and etc.
Our company mainly produces gate valve, globe valve, check valve, ball valve, butterfly valve, ammonia globe valve, water supply and drainage series, etc. With nominal diameter 1/4"-80"(dn6-2000mm), pressure class: 150lb-2000lb(0.1mpa-42.0mpa) and working temperature: -196degree c- +680degree c in accordance with ISO, API, ANSI, JIS, JPI, GB of China, HG and JB.
