Stop Diaphragm Valve

Model / MPN: 1657601K | NSN: 4820-01-284-4876

A valve designed specifically so the diaphragm seals the flow stream from the valve operating mechanism. The flow is controlled by the lifting of the diaphragm from or compressing it against an integral seat. For packless diaphragm valves which utilize a diaphragm as packing and a disk to control the flow, see valve, y.

Product Details

NATO Stock Number

4820-01-284-4876

Sold in multiples of

1 EA

DEMIL

Bolt Hole Quantity

6 all ends

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

2.500 inches

Maximum Operating Pressure

250.0 pounds per square inch single response

Outside Diameter

6.125 inches all ends

Thickness

0.938 inches all ends

Bolt Hole Diameter

0.688 inches all ends

Bolt Circle Diameter

5.000 inches all ends

Flange Face Design

Plain all ends

Material

Copper alloy body

Material

Nickel alloy seat

Material

Nickel alloy stem

Material

Rubber ethylene-propylene class epm flow control device

Media For Which Designed

Water, salt single response

1657601K Series Parts

Pricing and Availability

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1657601K Cross Reference

1657601K AND CD00021
181M-EPMS 2-1/2IN AND 16576