CARBON STEEL OR STAINLESS STEEL LIFT CHECK VALVE BOLTED BONNET DESIGN

MODEL NO: SCDXRF-LF

DESIGN DESCRIPTION:

* BOLTED COVER AND WELDING COVER;

* LIFT TYPE;

* FOR HORIZONTAL OR VERTICAL LINES;

* FLANGED ENDS OR BUTT-WELDING ENDS;

* RISING FLANGE OR RING TYPE JOINT.

PRESSURE GRADE : PN16 PN25 PN40

SIZE :DN40-DN500

WORKING PRESSURE AND TEMPERATURE:

CARBON STEEL :29 C~425 C (6 F~822 F)

STAINLESS STEEL :40 C~550 C( 15 F~1047 F)

GENERAL DESIGN SPECIFICATIONS:

ITEM :  PN16   PN25  PN40

MANUFACTURE: DIN 3356    DIN 3356   DIN 3356

FACE TO FACE : DIN 3202F6  DIN 3202F6 DIN 3202 F1

END FLANGE :   DIN 2543     DIN 2544   DIN 2545

INSPECTION AND TEST: DIN 3230  DIN 3230   DIN 3230

TEST PRESSURE TO DIN 3230

ITEM : PN16   PN25   PN40

SHELL (WATER) : 2.4MPa  3.75MPa  6.0MPa

SEAT (WATER) : 17.6MPa  27.5MPa  4.4MPa

PARTS AND MATERIAL (ASTM):

1 .BODY :A216WCB  A352LCB  A217WC1  A217WC5  A217WC6  A351CF8  A351CF8M

2. SPRING: STAINLESS STEEL

3. GASKE:T REINFORCED FLAT GRAPHITE,OR SS SPIREAL WOUND W/GRAPHITE OR PTFE

4.COVER :A216WCB A352LCB A217WC1 A217WC5 A217WC6 A351CF8 A351CF8M

5.BONNET BOLT:A193B7 A320L7 A193B7 A193B16 A193B16 A193B8 A193B8

6.BONNET BOLT NUT :A1942H A1944 A1942H A1944 A1944 A1948 A1948

OTHER MATERIALS ARE AVAILABLE UPON REQUEST.