Flowserve PolyChem GRP Series User Manual

USER INSTRUCTIONS POLYCHEM GRP ENGLISH 71569132 12-04A
Page 33 of 52 flowserve.com
When ordering spare parts the following information
should be supplied:
1) Pump serial number.
2) Pump size.
3) Part name – taken from section 8.
4) Part number – taken from section 8.
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.
6.5 Tools required
A typical range of tools that will be required to
maintain these pumps is listed below.
Standard hand tools:
 Hand wrenches
 Socket spanners (wrenches)
 Allen keys (wrenches)
 Range of screwdrivers
 Soft mallet
More specialized equipment:
 Bearing pullers
 Bearing induction heater
 Dial test indicator
 Flowserve Mark 3 tool kit. (See 6.1 below.)
Figure 6-1: Flowserve Mark 3 tool kit
6.6 Fastener torques
Figure 6-2: Recommended bolt torques - ISO (US)
Item Description Group 1
Non-lubricated
Group 2
Non-lubricated
Group 3
Non-lubricated
n/a Suction and discharge flange bolting 41Nm(30lbf•ft) 41Nm(30lbf•ft) 41Nm(30lbf•ft)
[6570.2] Bearing retainer cap screws
3
/
16
in. - 6Nm(4lbf•ft)
3
/
16
in. - 6Nm(4lbf•ft)
5
/
16
in. - 16Nm(12lbf•ft)
[6570.6] Bearing housing to adapter cap screws n/a ½ in - 54Nm(40lbf•ft) ⅝in - 122Nm(90lbf•ft)
[6580.2] Seal gland nuts 7Nm(5lbf•ft) 14Nm(10lbf•ft) 14Nm(10lbf•ft)
[3712.2] Impeller nut, polygon drive 27Nm(20lbf•ft) 48Nm(35lbf•ft) 48Nm(35lbf•ft)
[6570.1] Casing-to-cover bolting 14 Nm (10lbf•ft) 14Nm(10lbf•ft) 14Nm(10lbf•ft)
[2912] Impeller nose cone nut – non-metallic 3Nm(2lbf•ft) 3Nm(2lbf•ft) n/a
[6570.3] Bearing carrier set screws ⅜in. - 16Nm(12lbf•ft) ½ in. - 41Nm(30lbf•ft) ½ in. - 41Nm(30lbf•ft)
6570.5] Rear foot cap screw ½ in. - 54Nm(40lbf•ft) ¾ in. - 217Nm(160lbf•ft) 1 in. - 300Nm(228lbf•ft)
[6570] Cap screws – all other with GRP contact 20Nm(15lbf•ft) 20Nm(15lbf•ft) 20Nm(15lbf•ft)
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.

Flowserve PolyChem GRP Series Specifications

General

Brand	Flowserve
Model	PolyChem GRP Series
Category	Water Pump
Language	English