Full Port or Conventional Port
Piston check
Ball check
Swing check
Spring available on request
Bolted bonnet with spiral wound gasket,threaded and
Seal welded bonnet or threaded and pressure seal bonnet
Socket weld ends to ASME B16.11
Screwed Ends(NPT) to ANSI/ASME B1.20.1

 
Piston Check Valve 800Lb

Standard Material Specification

NO. Part Name CS to ASTM AS to ASTM SS to ASTM
Type A105 Type F22 Type F304(L) Type F316(L)
1 Body A105 A182 F22 A182 F304(L) A182 F316(L)
2 Piston Disc A276 410 A276 304 A276 304(L) A276 316(L)
3 Gasket Corrugated SS+graphite SS+PTFE
4 Bonnet A105 A182 F22 A182 F304(L) A182 F316(L)
5 Nameplate SS
6 Bolt A193 B7 A193 B16 A193 B8M A193 B8M
7 Ball A182 F304 A182 F304 A182 F304 A182 F304
Suitable Medium W.O.G.etc W.O.G.etc HNO3,CH3OOH etc
Suitable Temperature -29¡æ¡«425¡æ -29¡æ¡«550¡æ -29¡æ¡«180¡æ

Note:Other materials aer available upon request.
CS=Carbon Steel;AS=Alloy Steel;SS=Stainless Steel;

Dimension (mm) and Weight (Kg)

NPS Conv. 3/8″ 1/2″ 3/4″ 1″ 11/4″ 11/2″ 2″
Full 3/8″ 1/2″ 3/4″ 1″ 11/4″ 11/2″ 2″
L 79 79 92 111 120 152 172 200
H 61 61 65 79 95 103 118 132
Wieght Bolted 1.4 1.2 1.5 3.1 3.9 5.6 8.9 12.5
Welded 1.1 1.0 1.2 2.9 3.3 4.9 8.1 10.9
 

Piston Check Valve 900Lb¡«1500Lb

Standard Material Specification

NO.
Part Name
CS to ASTM
AS to ASTM
SS to ASTM
Type A105
Type F22
Type F304(L)
 Type F316(L)
1
Body
A105
A182 F22
A182 F304(L)
 A182 F316(L)
2
Piston Disc
A276 420
A276 304
A276 304(L)
 A276 316(L)
3
Gasket
Corrugated SS+graphite
SS+PTFE
4
Bonnet
A105
A182 F22
A182 F304(L) A182 F316(L)
5
Nameplate
SS
6
Bolt
A193 B7
A193 B16
A193 B8M
 A193 B8M
7
Ball
A182 F304
A182 F304
A182 F304
 A182 F304
Suitable Medium
W.O.G.etc
W.O.G.etc
 HNO3,CH3OOH etc
Suitable Temperature
-29¡æ¡«425¡æ
-29¡æ¡«550¡æ
 -29¡æ¡«180¡æ

Note:Other materials aer available upon request.
CS=Carbon Steel;AS=Alloy Steel;SS=Stainless Steel;

Dimension (mm) and Weight (Kg)

NPS Conv. 3/8″ 1/2″ 3/4″ 1″ 11/4″ 11/2″ 2″
Full 3/8″ 1/2″ 3/4″ 1″ 11/4″ 11/2″ 2″
L 92 111 111 120 152 172 200 220
H 65 79 79 97 104 120 139 215
Wieght Bolted 1.6 3.4 3.3 5.5 6.0 9.2 12.9 16.2
Welded 1.3 3.2 3.1 4.8 5.4 8.5 11.2 14.3

 

 

Swing Check Valve 800Lb,900Lb¡«1500Lb

Standard Material Specification

NO. Part Name CS to ASTM AS to ASTM SS to ASTM
Type A105 Type F22 Type F304(L) Type F316(L)
1 Body A105 A182 F22 A182 F304(L) A182 F316(L)
2 Seat A276 410 A276 304 A276 304(L) A276 316(L)
3 Swing Disc A276 420 A276 304 A276 304(L) A276 316(L)
4 Nut A194 2H A194 4 A194 8 A194 8M
5 Hinge A105 A182 F22 A182 F304L A182 F316(L)
6 Gasket Corrugated SS+Graphite SS+PTFE
7 Bonnet A105 A182 F22 A182 F304L A182 F316(L)
8 Bolt A193 B7 A193 B16 A193 B8M A193 B8M
9 Pin A276 420 A182 F304 A182 F316
Suitable Medium W.O.G.etc W.O.G.etc HNO3,CH3OOH etc
Suitable Timperature -29¡æ¡«425¡æ -29¡æ¡«550¡æ -29¡æ¡«180¡æ

Note:Other materials are available upon request.
CS=Carbon Steel;AS=Alloy Steel;SS=Stainless Steel;

Dimension (mm) and Weight (Kg)

NPS 3/8″ 1/2″ 3/4″ 1″ 11/4″ 1/2″ 2″
L 800Lb 79 79 92 111 120 120 140
900Lb¡«1500Lb 92 111 111 120 120 140 178
H 800Lb 61 61 78 84 101 120 133
900Lb¡«1500Lb 79 79 79 97 105 120 140
Weight 800Lb 1.1 1.0 1.9 3.9 4.5 7.3 10.0
900Lb¡«1500Lb 3.1 3.0 3.6 4.3 6.1 8.8 12.6

 

Pressure-seal Swing Check Valve 900Lb¡«2500Lb

Standard Material Specification

NO. Part Name CS to ASTM AS to ASTM SS to ASTM
Type A105 Type F22 Type F304(L) Type F316(L)
1 Seat Ring A276 410 A276 304 A276 304(L) A276 316(L)
2 Pin A276 420 A182 F304 A182 F3 16
3 Pressure Ring A276 304L A276 316(L)
4 Pressure Seat A105 A182 F304 A182 F304(L) A182 316(L)
5 Body A105 A182 F22 A182 F304(L) A182 316(L)
6 Bonnet A105 A182 F22 A182 F304 L A182 316(L)
7 P.S.Lock Nut A194 2H A194 4 A194 8 A194 8M
8 Quarter Ring A276 420 A182 F304 A182 F316
9 Pontlevis A105 A182 F22 A182 F304 L A182 F316(L)
10 Hinge A105 A182 F22 A182 F304 L A182 F316(L)
11 Disc A276 A420 F304 A182 F304(L) F316(L)
12 Nut A194 2H A194 4 A194 8 A194 8M
Suitable Medium W.O.G.etc W.O.G.etc HNO3,CH3OOH etc
Suitsble Temperature -29¡æ¡«425¡æ -29¡æ¡«550¡æ -29¡æ¡«180¡æ

Note:Other materials are available upon request.
CS=Carbon Steel;AS=S=Alloy Steel;SS=Stainless Steel;

Dimension (mm) and Weight (Kg)

NPS 1/2″ 1/4″ 1″ 11/4″ 11/2″ 2″
L 900Lb¡«1500Lb 140 140 140 178 178 216
2500Lb 186 186 186 232 232 279
H 117 117 117 152 152 195
Weight 900Lb¡«1500Lb 8.2 7.8 7.7 19.8 19.2 21.3
2500Lb 10.0 9.6 9.4 21.5 21.1 22.8

 

 

Pressure-seal Piston Check Valve 900Lb¡«2500Lb

Standard Material Specification

NO. Part Name CS to ASTM AS to ASTM SS to ASTM
Type A105 Type F22 Type F304(L) Type F316(L)
1 Body A105 A182 F22 A182 F304(L) A182 F316(L)
2 Lift Disc A276 420 A276 304 A276 304(L) A276 316(L)
3 Sealing Seat A105 F22 A182 F304(L) F316(L)
4 Pressure Ring 08F 08F A276 304L A276 316L
5 Retaining Nut A194 2H A194 4 A194 8 A194 8M
6 P.S.Lock Nut A194 2H A194 4 A194 8 A194 8M
Suitable Medium W.O.G.etc W.O.G.etc HNO3,CH3OOH etc
Suitsble Temperature -29¡æ¡«425¡æ -29¡æ¡«550¡æ -29¡æ¡«180¡æ

Note:Other materials are available upon request.
CS=Carbon Steel;AS=S=Alloy Steel;SS=Stainless Steel;

Dimension (mm) and Weight (Kg)

NPS 1/2″ 1/4″ 1″ 11/4″ 11/2″ 2″
L 900Lb¡«1500Lb 140 140 140 178 178 216
2500Lb 186 186 186 232 232 279
H 117 117 117 152 152 195
Weight 900Lb¡«1500Lb 7.5 7.0 6.8 18.5 18.1 20.3
2500Lb 9.0 7.6 8.4 19.5 20.1 21.8