Piston Check Valve Flange Type Series 240

Product Description

• Design Standard: API6D/API602
• Nominal Diameter: DN15-DN50 (½”-2”)
• Flange Connection: ASME B16.5
• Face to Face acc: ASME B16.10
• Pressure Rating: Class150, Class300
• Test STD: API598

Material Scope

AFFCO valve believes high quality valve starts from high quality casting,forging and other raw materials. we have profound experience in compliance with stringent material standards including NORSOK and wide variety blue chip end user specifications covering both metallic and non-metallic materials.
Increasingly, serve upstream operation conditions demanding not only primary components, but also accessories like bolting, bearing ,O-ring, packing and actuation components. AFFCO valve can cater the needs of any project specifications together with our vast network of material supply chain.

Full material range

Carbon steels

Stainless Steel

Duplex/Super Duplex

Ni-Al Brz

Casting and forging grades

According to your project specifications

Non-destructive testing

PMI

MPE

DPI/LPE

UT testing/Radiography

X ray /gamma ray

High specification sub-componets

Stellite material for seat

Material standards

ASTM/EN/DIN/JIS/GB standard material for project requirement

Machining

Accuracy is ensured by high precision CNC machine and measured by CMM

Surface roughness

Surface roughness can reach Ra0.2

Design Feature

AFFCO valve, check valve range plays a critical role in isolation service across hundreds of installations. The range can be engineered to suit your application, with body construction, material and ancillary features optimised to meet your process needs. You can be assured of outstanding reliability and sealing performance through the design life of your asset.

Structure

Swing check, Pistion check, Dual plate check

Bolted bonnet, swing and lift disc, metallic sealing surfaces

Material

CS/SS/DS/Bronze material is available

Seat

Spray welded with hard alloy specified by the customer

Connection

For dual plate check valve, wafer/lug/double flange type is available

Dimensions

Cl150

DN L D W
WF/LUG RF WF LUG RF WF LUG RF
DN15 108 108 45 89 76 45 2.1 3
DN20 117 117 55 99 76 50 3.2 4
DN25 127 127 64 108 98 54 4 5
DN32 140 140 74 117 102 59 5.6 7
DN40 165 165 84 127 115 64 7 8
DN50 203 203 102 152 140 76 13 15

 

CL300

DN L D W
WF/LUG RF WF LUG RF WF LUG RF
DN15 152 152 51 95 78 48 4 5
DN20 178 178 64 117 82 59 5 6
DN25 203 203 70 124 102 62 7 8
DN32 216 216 80 133 106 67 10 11
DN40 229 229 92 155 118 78 12 13
DN50 267 267 108 165 140 83 24 26

 

CL600

DN L D W
WF/LUG RF WF LUG RF WF LUG RF
DN15 165 165 51 95 78 48 8 9
DN20 190 190 64 117 82 59 11 12
DN25 216 216 70 124 102 62 13 14
DN32 229 229 80 133 106 67 17 18
DN40 241 241 92 155 118 78 26 28
DN50 292 292 108 165 140 83 32 35

CASE STUDIES

EXHIBITION – FLOWTECH 2024

CASE STUDIES

EXHIBITION – NEFTEGAZ 2024