Inoculant is a kind of casting additive that can promote spheroidization, reduce the tendency of white mouth, improve the shape and distribution of graphite, increase the number of eutectic clusters, and refine the matrix structure. It has good effect and within a short time after the inoculation treatment.
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Design and manufacture:API 602,BS 5352,ANSI B16.34.
Connection ends conform to:
    -Socket welded ends:ANSI B16.11.
    -(NPT threaded)Screw ends:ANSI B1.20.1.
    -Butt-welded ends:ANSI B 16.25.
    -Flanged ends:ANSI B 16.5.
Inspection & testing:API 598.
NACE MR 0175 on request
Tag:Â MSSÂ SPÂ 25.
Construction features.
Spring Loaded To Ensure That Even In The Low-Pressure Sealing Performance As Well.
Y pattern straight-through flow path,greatly reducing flow resistance.
Product Range.
Port:Full Port(FP)/Reduced Port(RP).
Structure:BC(Bolted Cover),WC(Welded Cover),PSC(Pressure Self-sealing Cover).
Disc:Swing type,Piston type or Ball type.
Rating: Class 150/ 300/ 600/ 800/ 900/ 1500/ 2500.
Size Range:3/8" to 2".
End Options: FLG, SW(Socket Welded), Threaded(NPT/BSP), BW(Butt Welded),
Optional Materials:
-Carbon Steel: A105, LF2
-Stainless Steel: F304, F304L, F316, F316L
-Duplex: F51, F55
-Alloy: F1, F5, F5A, F9, F11, F22
Special Design:
    -Y pattern forged check valve.
Application.
  For valves which size is smaller than 2"(DN50), forged steel valves are recommended. Compared with castings,forged valve offer the advantages of more uniform structure, greater density, higher strength integrity, enhanced dimensional characteristics and closer dimensional tolerances.Owing to so many advantageds,the forged valve can be widely used in the fields of petroleum,natural gas,chemical,power and other industries.  Â
Main Parts Material.
Â
No
Part Name
Material
1
Body
A105
A182 F22
A182 F304(L)
A182 F316(L)
2
Disc
A276 420
A276 304
A276 304(L)
A276 316(L)
3
Gasket
316+graphite
316+PTFE
4
Bonnet
A105
A182 F22
A182 F304(L)
A182 F316(L)
5
Nameplate
SS
6
Bolt
A193 B7
A193 B16
A193 B8(M)
A193 B8(M)
7
Ball
A182 F304
A182 F304
A182 F304
A182 F304
Applicable medium
Water,steam,oil.,etc
Water,steam,oil.,etc
Acid.,etc
Applicable temp.
-29~425°C
-29~550°C
-29~200°C
Dimensions(mm) and Weights(Kg)
Â
NPS
RB
3/8
1/2
3/4
1
11/4
11/2
2
/
FB
/
3/8
1/2
3/4
1
11/4
11/2
2
L
79,
79
92
111
120
152
172
200
W
61
61
65
79
95
103
118
132
Weight(kg)
BB
1.4
1.2
1.5
3.1
3.9
5.6
8.9
12.5
WB
1.1
1.0
1.2
2.9
3.3
4.9
8.1
10.9
800lb Forged Steel Piston Check Valve (GAH61/11H)
Model NO.: GAH61/11H
Flow Direction: Unidirection
Standard: API602
Application: Industrial Usage
Pressure Rating: Cl 150~Cl 1500
Size: 3/8"~2"
Trademark: GOOLE, OEM
Transport Package: Plywood Case
Specification: ISO 9001
Origin: China(Mainland)
HS Code: 8481804090
Forged Steel Pressure Seal Swing Check Valve Class 800.
Standard specification.