Service Nipple

AR Series

Provides a male threaded pipe connection to a metallic gas main which has been drilled and tapped with a parallel BSP thread. Usually used in conjunction with the upper part of a 2-part Top Service Tee, series AP.
Comprising a threaded Nipple Body compatible with site tapped parallel threads to BS21 (Rp) specification, the fitting has an internal Stopper Plug to allow it to be installed under pressure. The fitting has a shaped Washer to compress the rubber Gasket to make a gas tight seal between the Nipple and surface of the main. The outlet is a 2” BSPT Male thread which can be joined to a valve or 2-Part Top Tee head works. Suitable for low and medium pressure gas mains.

Nipple, Washer & Back Nut: Malleable Iron or SG Iron.
Gasket & Seals: NBR Rubber.
Stopper: Engineering plastic.
Corrosion protection: Light oil film – must be site protected.

Service Nipples are supplied suitable for installation using gas under pressure drilling machines conforming to GIS/E1 specification such as WASK Teeset® with a suitable fitting installation spindle The EMID joint should be installed following the instructions for the alignment and tightening of the Back Nut included with the product. The internal Stopper Plug can be operated using the WASK tool EA0056 or similar. Fittings must have an approved site corrosion protection system applied after installation and pressure testing.

Meets GIS/F2:2013 requirements, BSI Kite Mark accredited – KM611750.

Maximum Operating Pressure (MOP) = 2.0 Bar.

Available with 2” BSPT male outlet thread and inlet threads in 1” BSP to 2” BSP, with special parallel BS21:1985 (Rs) thread form for use on gas mains up to 42” nominal diameter.

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Part Number EMID Inlet Ø EMID Inlet Type Outlet Size Outlet Type Finish Enquiry
AR0002 1 1/4" MBSP 2" MBSPT BLACK
AR0003 1 1/2" MBSP 2" MBSPT BLACK