Recommended Spares And Consumable Items; Tools Required; Fastener Torques - Flowserve PolyChem GRP Series User Instructions

When ordering spare parts the following information
should be supplied:
1) Pump serial number.
2) Pump size.
Part name – taken from section 8.
3)
Part number – taken from section 8.
4)
5) Number of parts required.
The pump size and serial number can be found on
the name plate located on the bearing housing. (See
figure 3-1.)
To ensure continued satisfactory operation,
replacement parts to the original design specification
should be obtained from Flowserve. Any change to
the original design specification (modification or use
of a non-standard part) will invalidate the pump's
safety certification.
6.3.2 Storage of spares
Spares should be stored in a clean dry area away
from vibration. Inspection and re-treatment of
metallic surfaces (if necessary) with preservative is
recommended at 6 monthly intervals.
6.4 Recommended spares and
consumable items
Recommended spares include: mechanical process
fluid seals, bearing housing lip seals, bearings,
shafting, impeller, and gaskets.

6.6 Fastener torques

Figure 6-2: Recommended bolt torques - ISO (US)
Item Description
n/a Suction and discharge flange bolting
[6570.2] Bearing retainer cap screws
[6570.6] Bearing housing to adapter cap screws
[6580.2] Seal gland nuts
[3712.2] Impeller nut, polygon drive
[6570.1] Casing-to-cover bolting
Impeller nose cone nut – non-metallic
[2912]
[6570.3] Bearing carrier set screws
6570.5] Rear foot cap screw
Cap screws – all other with GRP contact
[6570]
Note: 1.) For lubricated threads, use 75 % of the values given.
2.) Gasket joint torque values are for Aflas or 60 - 70 durometer Viton gaskets. Other gasket materials may require additional torque
to seal. Exceeding metal joint torque values is not recommended.
Page 33 of 52
USER INSTRUCTIONS POLYCHEM GRP ENGLISH 71569132 12-04A

6.5 Tools required

A typical range of tools that will be required to
maintain these pumps is listed below.
Standard hand tools:





More specialized equipment:




Figure 6-1: Flowserve Mark 3 tool kit
Group 1
Non-lubricated
41 Nm (30 lbf•ft)
3
in. - 6 Nm (4 lbf•ft)
/
16
n/a
7 Nm (5 lbf•ft)
27 Nm (20 lbf•ft)
14 Nm (10 lbf•ft)
3 Nm (2 lbf•ft)
⅜in. - 16 Nm (12 lbf•ft)
½ in. - 54 Nm (40 lbf•ft)
20 Nm (15 lbf•ft)
Hand wrenches
Socket spanners (wrenches)
Allen keys (wrenches)
Range of screwdrivers
Soft mallet
Bearing pullers
Bearing induction heater
Dial test indicator
Flowserve Mark 3 tool kit. (See 6.1 below.)
Group 2
Non-lubricated
41 Nm (30 lbf•ft)
3
in. - 6 Nm (4 lbf•ft)
/
16
½ in - 54 Nm (40 lbf•ft)
14 Nm (10 lbf•ft)
48 Nm (35 lbf•ft)
14 Nm (10 lbf•ft)
3 Nm (2 lbf•ft)
½ in. - 41 Nm (30 lbf•ft)
¾ in. - 217 Nm (160 lbf•ft) 1 in. - 300 Nm (228 lbf•ft)
20 Nm (15 lbf•ft)
Group 3
Non-lubricated
41 Nm (30 lbf•ft)
5
in. - 16 Nm (12 lbf•ft)
/
16
⅝in - 122 Nm (90 lbf•ft)
14 Nm (10 lbf•ft)
48 Nm (35 lbf•ft)
14 Nm (10 lbf•ft)
n/a
½ in. - 41 Nm (30 lbf•ft)
20 Nm (15 lbf•ft)
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