Tengs Valve International Limited

 

Cast Steel, Forged Steel, Industrial Valves And Strainers

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1/2" - 2" Non Return Valve Flange Type Metal Seat HF Bolted Cover Full Bore FB NRV

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1/2" - 2" Non Return Valve Flange Type Metal Seat HF Bolted Cover Full Bore FB NRV

1/2" - 2" Non Return Valve Flange Type Metal Seat HF Bolted Cover Full Bore FB NRV
1/2" - 2" Non Return Valve Flange Type Metal Seat HF Bolted Cover Full Bore FB NRV 1/2" - 2" Non Return Valve Flange Type Metal Seat HF Bolted Cover Full Bore FB NRV

Large Image :  1/2" - 2" Non Return Valve Flange Type Metal Seat HF Bolted Cover Full Bore FB NRV Get Best Price

Product Details:

Place of Origin: China
Brand Name: Tengs Valve
Certification: ISO, CE, API
Model Number: H44, H41

Payment & Shipping Terms:

Minimum Order Quantity: 1 Pc
Price: Negotiable
Packaging Details: Seaworthy Plywoods
Delivery Time: 15 Days
Supply Ability: 1000 Pcs Per Month
Detailed Product Description
Body Material: Forged Carbon Steel, Stainless Steel, Duplex Stainless Steel Trim: 13Cr, Half Stellite / Full Stellite, SS304, SS316, DSS
Size: 1/2in - 2in Pressure Rating: Class 150LB, 300LB, 600LB, 900LB, 1500LB, 2500LB
Actuator: Automatically Connection Ends: Flanged RF, RTJ
Disc Type: Swing Type, Lift Type, Ball Type Other: OEM Available
High Light:

non return valve swing type

,

cast steel swing check valve

Forged Steel Flanged Check Valve Metal Seat HF Bolted Cover Full Bore FB NRV

 

 

Standards

 

Design and manafacture: BS5352

End connection size:

1) Socket-weld dimension: ANSI B16.11

2) Screw thread dimension: ANSI B1.20.1

3) Butt-welding dimension: ANSI B16.25

4) Flange end dimension: ANSI B16.5

Valve inspection and test: API598

Material according to ANSI/ASTM

 

Description:

An important concept in check valves is the cracking pressure which is the minimum differential upstream pressure between inlet and outlet at which the valve will operate. Typically the check valve is designed for and can therefore be specified for a specific cracking pressure.

 

Quick Details:
1. Constructions: OS&Y, Bolted Bonnet, Welded Bonnet & Pressure Sealed Bonnet;
2. Port type: Full Port
3. Size Range: 1/2" to 2".
4. Pressure Ratings: ANSI 150LB, 300LB, 600LB, 900LB, 1500LB & 2500LB
5. End Connections: Flanged
6. Materials Available in: A105, LF2, F5, F11, F22, F304, F316, F51 or Equivalent;

7. Various trim materials are available to suit different service conditions
8. NACE MR 0175 on request

 

Features:

1. Pressure-temperature Ratings for Carbon Steel
CL150-285P.S.I @100° F

CL300-740P.S.I @100° F

CL600-1480P.S.I @100° F

CL800-1975P.S.I @100° F

CL1500-3705P.S.I @100° F

2. The Disc Type of Check Valve

Swing Type, Lifting Type, Ball Type Check Valve

3. Body and Bonnet Connection

Bolted bonnet

Welded bonnet

Pressure seal bonnet

4. Cover Gasket Style

Stainless steel + flexible graphite wounded gasket

Metal gasket, Metal ring gasket, Pressure seal bonnet design

5. Seat

Metallic Seating Surfaces,For carbon steel check valve, the seat is usually forged steel. The seat sealing surface may be spray-welded with hard alloy if specified by the customer. For Stainless steel check valve, integrai seat is usually adopted, or it can be machined integrally after hard alloy welded.

6. Bore Type:

Full Bore (FB)

 

Descriptions:

 

1.Forged Steel Check Valve Parts and Material List:

 

Forged Check Valve Flanged Drawing

 

No. Part Name A105/F6a A105/F6aHFS LF2/304 F11/F6aHF F304(L)/304(L) F316(L)/316(L) F51/F51
1 Body A105+13Cr A105+HF LF2 F11+HF F304(L) F316(L) F51
2 Gasket 304+ Flexible garphite 316+ Flexible garphite
3 Disc F6a F6a F304 F6a+HF F304(L) F316(L) F51
4 Bonnet A105 A105 LF2 F11 F304(L) F316(L) F51
5 Bolt B7 B7 L7 B16 B8(M) B8(M) B8M

 

2. Main Connection Dimensions:

Forged Check Valve Flanged Dimensions Drawing

Class 150 - 300 - 600LB

Specification (NPS) F.P 1/2 3/4 1 1 1/4 1 1/2 2
Face to face (mm) CL150 L(RF) 108 118 127 140 16S 203
CL300 L1(BW) 153 178 203 216 229 267
CL600   165 191 216 229 241 292
Height (mm) CL150 H 77 81 93 95 103 118
CL300/600 61 78 84 101 120 133
Flow port dimensions (mm) d 10 13 17.5 23 30 35
Weight (KG) CL150 3.6 4.6 8.5 9.2 12.5 14.8
3 3.6 7.6 85 11.3 13.6
CL300 3.7 4.8 88 9.6 13 7 17.8
3.2 4.3 8 8.6 12.7 16.2
CL600 4 5.8 9.5 10.4 15.6 24.5
3.4 5.1 8.8 9.2 14.8 22.5

 

Class 900 - 1500LB

Specificatiom (NPS) 1/2 3/4 1 1 1/4 1 1/2 2
Face to face (mm) L(RJ) L1(BW) 216 229 254 280 305 371
Heihgt (mm) H 81 93 95 101 118 130
Flow port d Lift 12 15 20 28 32 40
dimension
(rrm) Swing 13.5 18 24 29 36.5 45
Weight(Kg) Lift 5.2 6.8 10.5 28 18 24
Swing 5 6.1 10 8 29 17.6 27

Contact Details
Tengs Valve International Limited

Contact Person: Mr. Biff Teng

Tel: 86-18066318081

Fax: 86-577-5699-4546

Send your inquiry directly to us