Non- Return valves are ideally suitable for vertical and horizontal application. A range of Check Valves (Non-Return Valves) suitable for oil, gas, water, refining, power and chemical applications where the prevention of flow reversal is mandatory. Flosteer Non- Return valves are Bolted cover design up to 600# and above pressure seal design.

Stellited trims are provided for all above 600# as a manufacturing standard of valves and in lower rating also on request. 

Non- Return valves are available under any Third party inspection including IBR (Indian Boiler Regulation). Swing Check valves can be supplied with Titling disc design, Counter weight or Dash pot arrangement.

 
DESIGN FEATURES
MANUFACTURING STANDARD - IS : 5312, PART -1
FLANGED ENDS AS PER IS : 1538 OR CUSTOMERS REQUIREMENTS
AIR RELEASE PLUG, BY-PASS VALVE, LEVER WITH CPUNTER WEIGHT DASHPOT ARRANGEMENT ARE ALSO AVAILABLE
STAINLESS STEEL SEAT AND BRASS STEM CAN ALSO BE PROVIDED AT EXTRA COST
MANUFACTURING RANGE - 50 MM TO 1200 MM NB.
 
SL.NO
PART NAME
MATERIAL & SPECN

1

BODY C.I. IS : 210 FG.200

2

BODY SEAT G.M. IS : 318 LTB : 2

3

WEDGE C.I. IS : 210 FG.200

4

WEDGE SEAT G.M. IS : 318 LTB : 2

5

STEM S.S. AISI-410

6

STEM NUT G.M. IS : 318 LTB : 2

7

GASKET RUBBER IS : 638 TYPE-B

8

BONNET C.I. IS : 210 FG.200

9

COVER
DO

10

PACKING GRAPHITED ASBESTOS ROPE

11

GLAND C.I. IS : 210 FG.200

12

T-BOLTS & NUTS C.S. IS : 1363 CL-4.6 & CL-4.0

13

BOLTS & NUTS
DO

14

HANDWHEEL C.I. IS : 210 FG.200

15

SET SCREW C.S. IS : 1363 CL-4.6
HYD. TEST PRESSURE
RATING
BODY
SEAT
PN-0.6
9 KG/CM2
6 KG/CM2
PN-1.0
15 KG/CM2
10 KG/CM2
PN-1.6
24 KG/CM2
16 KG/CM2