This document lists the materials of construction. Note: it is not a bill of materials and should be used for guideline purposes only.

Wetted Metal Parts

     

Standard
Components

Pump Range

 Production Method AISI Deutsche Stoff No.
Housing plate; impeller back plate, vane plate and lock nut. H, CH,
D, GP		 Each component machined from a single billet of solid bar 316L 1.4404¹
Pump cover (casing) Fabricated from:
(1) tube
(2) components machined from solid bar
All CR, CF Investment cast
Mechanical seal² All   316 1.4401
All CA Investment cast

¹Stainless steel 316L with a maximum of 3% delta ferrite (1.4435) is available on request.
²We shall advise customers in circumstances where a mechanical seal is supplied whose wetted metal parts are not of stainless steel 316 (1.4401).

Non-wetted Metal Parts (excluding motor³)

     

Standard
Components

Pump Range

 Production Method AISI Deutsche Stoff No.
Adaptor plate;
Stub shaft		 H, CH,
D, GP		 Each component machined from a single billet of solid bar 316L 1.4404
Flanged adaptor (C)H160, (C)H190,
D2, GP		 Machined from a single billet of solid bar
(C)H220, (C)H240, (C)H260 Assembled from two components that were machined from solid bar
D3-D6 Fabricated from:
(1) flat bar
(2) components machined from solid bar
Clamp ring H, CH,
D, GP		 Fabricated from flat bar
Clamp ring handle Fabricated from components that were machined from solid bar
All CR, CF Investment cast
Impeller key All   316 1.4401
Clamp ring washer H, CH,
D, GP		 Pressed
Mechanical seal4 All  
Flanged adaptor bolts H, CH,
D, GP		  
All CA Investment cast
Adaptor plate screws H, CH,
D, GP		   304 1.4301
Outer cowl All Rolled sheet5
Free-Standing Base (or cowl pedestal) All Fabricated from:
(1) flat bar or box section
(2) feet machined from solid bar 316L 1.4404

³The shaft clamp, where applicable, is also excluded.
4We do not advise customers in circumstances where a mechanical seal is supplied whose non-wetted metal parts are not of stainless steel 316 (1.4401), unless this information is requested.
5Where a repeat of an old-style cowl is supplied for a D or GP pump, this may also include a spinning.