RS PRO Brass Threaded Threaded BSP Sight Glass Non Return Valve 1/2 in, 12 bar

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Subtotal (1 unit)*

£136.55

(exc. VAT)

£163.86

(inc. VAT)

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Temporarily out of stock
  • 4 unit(s) shipping from 16 February 2026
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Units
Per unit
1 - 4£136.55
5 - 9£132.32
10 +£128.08

*price indicative

RS Stock No.:
720-9336
Brand:
RS PRO
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Brand

RS PRO

Product Type

Non Return Valve

Outlet Connection Type

Threaded

Sub Type

Sight Glass

Inlet Connection Type

Threaded

Inlet Port Size

1/2 in

Body Material

Brass

Maximum Operating Pressure

12 bar

Outlet Port Size

1/2 in

Inlet Thread Standard

BSP

Inlet Port Gender

Female

Outlet Port Gender

Female

Outlet Thread Standard

BSP

Standards/Approvals

No

RoHS Status: Exempt

COO (Country of Origin):
PT

Single Window Sight Glass


A single window sight glass used to visually check the condition and leakage of steam traps. It is recommended that a sight glass be installed downstream of the steam trap, which is exactly how this one has been designed. The body and glass nut are made of brass and the gasket is non-asbestos, with a borosilicate glass window.

Features and Benefits


• Connections are female screwed

• 5 mm thick glass

• Horizontal or vertical installation

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