Flowserve Type R - Manual (Page 14)

R and RX SLURRY Pump USER INSTRUCTIONS ENGLISH 71569242 03-11 (E)
Page 14 of 54
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3.5 Materials Of Construction
BASIC
CONSTRUCTION
Natural Rubber
Lined
Neoprene Lined Nitrile Lined
Casing – Suction and Gland Side ASTM A48 CL 35 (Cast iron)
Stuffing Box ASTM A48 CL35 (Cast iron) (2)
Suction Side liner, Gland side Liner Natural Rubber Neoprene Nitrile
Impeller Natural Rubber Neoprene Nitrile
Protector Plate HARD STEEL –360 BHN (2) (3)
Impeller Spacer HARD STEEL –360 BHN (2) (3)
Shaft Sleeve ASTM A743 CG3M (1)
Shaft AISI 1045
Gland Halves ASTM A743 CF8M (316)
Pipe Plugs (Stuffing Box) C.I. (2)
Gland Studs And Nuts AISI 316
Liner Studs & Nuts AISI 1018/1020 Steel
PACKING SYNTHETIC FIBRE
SEAL CAGE HALVES ASTM A743 CG8M
GASKETS-CASING SYNTHETIC FIBRE
GASKETS-SLEEVE TEFLON
O-RINGS BUNA-N
(120 o C MAX.)
MISC. FASTNERS,
PARTS
STEEL
(1) Nickel-Chrome-Boron Coated, except for units with mechanical seals.
(2) For acid kit construction 316 SS (standard) or Alloy C (optional) materials will be supplied.
(3) For severe abrasive applications Stellite 4 is available.