Two Pieces/Three PiecesForged Steel Body Trunnion Mounted Ball, Full&Reduced Bore Anti-static Device Blow-out Proof Stem Doouble Block and Bleed Fire Safe Design Emergency Sealant Injector Vent Valve, Drain Valve Lifting lugs and supporting feets(8" & larger)
Design: ASME B16.34/API 6D Face to Face: ASME B16.10/API 6D End Flange: ASME B 16.5 BW End: ASME B16.25 Test: API 6D Fire Safe Test: API 607/API6FA Special: NACE MR-01-75
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With our years of technical knowledge and experience,we assure you,
Naibang will be one of your best parters in China.
NO.
Part
Material
1
Bonnet
ASTM A105+ENP A182-F304,F316,F316L,F6,F51
2
Seat Spring
Inconel X-7505 SS304 SS316
3
Seat
PTFE RPTFE PEEK PPL
4
Seat Injection
1020+ZN A182-F304,F316,F316L
5
Body
ASTM A105 A182-F304,F316,F316L,F304L,F51
6
Screw
ASTM A193-B7,B8
7
Top Flange
ASTM A105 A182-F304
8
O-ring
NBR Vtion
9
Key
1045 A182-F304,F316,F316L,F304L
10
Stem
A105+ENP A182-F6,F304,F316,F316L,F304L,17-4PH,F51
11
Vent Valve
1020+ZN A182-F304,F316,F316L
12
Stem Injection
1020+ZN A182-F304,F316,F316L
13
Sliding Bearing
Stainless Steel+PTFE SS316+PTFE
14
Thrust Washer
PTFE
15
Seat Ring
A105+ENP A182-F6,F304,F316,F316L,F304L,F6,F51
16
Stud
ASTM 193-B7,B7M,B8,B8M
17
Nut
ASTM 194-2H,2HM,8,8M
18
Body Gasket
PTFE SS304+Graphite SS316+Graphite
19
Ball
A105+ENP ASTMA182-F6,F304,F316,F316L,F51
20
Lower Gasket
PTFE
21
Drain Valve
1020+ZN A182-F304,F316,F316L
22
Antistatic Spring
Stainless Steel SS316
23
Trunnion
A105+ENP ASTMA182-F6,F304,F316,F316L,F51
24
Seat Sealing
Graphite
25
Gand Gasket
SS304+Graphite
26
Bottom Cover Gasket
SS304+Graphite
Zhejiang NaiBang Valve Co., Ltd. is a specialized company devoted into manufacture and sales of valves, the company situates in ou-bei town-the center of China's pumps & valves, with ground area 18800m2, machine workshop, assemble workshop and synthetic finished half - finished warehouse. The company possesses 210 precise equipments, the advanced numeral control machines ensure the flexibility and exchangeability of all the product parts. The company flourishes year by year, and its products have been widely used in lines of domestic large PowerStation configuration, dirty water processing, urban construction, petroleum-chemical, oil extraction, metallurgy, chemical fertilizer, paper production and pharmacy, exported to many countries and regions, gains the users' unanimous praise and confidence.
The company has a modernized staffs of tech research and product development, ISO9001 certificated. And now the company has the capability of manufacturing big series of high temperature and hi-gh pressure power station gate valve, ball valve, globe valve, check valve, butterfly valve, with the strength of API valve, Wafer check valve and forged valve, and the wafer check valve mainly cover wafer single disc lift and swing check valves and wafer double disc swing check valves (H77, H76, H74, H72, H71, H46 and H44). Diameter of valves varies from DN15 to DN2000(1/2'-72' ), working pressure varies from PN1.6MPa to 42 MPa(150lb to 2500lb), and working temperature from -196 Celsius degree to +570 Celsius degree; The main body adopts WCB, WC6, WC9, Cr5Mo, 20Crmo, 12Crmov, 15Crmov, CF3m, CF8m. The company possesses full precise casting equipments, integrated physical and chemical gauges, experimentation equipments and test methods, as well CAD design capability, which ensure products always in high quality.
