STD


Design and Manufacture		 Face to face/ End to end Flange Dimension
Butt welding dimension		 Pressure Temperature Lating Inspection and Test
API 600 ANSI B16.10 ANSI B16.5 ANSI B16.25 ANSI B16.34 API 598
API 6D API 6D ANSI B16.5 ANSI B16.25 ANSI B16.34 API 6D

Pressure Test

PN(Lb)
NominalPressure		 Shell Test
Water Seal Test		 Air Seal Test
MPa Lbf/in2 MPa Lbf/in2 MPa Lbf/in2
150 3.0 430 2.2 315 0.4-0.7 60-100
300 7.7 1110 5.7 815
600 15.3 2220 11.3 630
900 23.0 3330 17 2445
1500 38.4 5560 28.2 4080
2500 64.0 9255 47.0 6790

Main Part Materials and Property

Body Cover Disc Stem   
Sealing Face
Sealing Shim		 Packing Working Temperature Suitable Medium
WCB 2Cr13 13Cr

STL

With Body

Material

Nylon

Enhanced Flexible Graphite

1Cr13/Flexible Graphite

SFB-2

08 Soft Steal

F304

F316

F304L

F316L

Flexible Graphite

Enhanced Flexible Graphite

SFB/260

SFP/260

PTFE

 ≤425

Water

Steam

Petroleum

Products

WC1 38CrMoAl

25Cr2MoV

 ≤425
WC6 ≤540
WC9 ≤570
C5 C12 ≤540
CF8 F304 ≤200

Nitric acid

Acetic acid


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