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SPP Pumps Limited

1420 Lakeview
Arlington Business Park
Theale
Reading
Berkshire
RG7 4SA
United Kingdom

Tel: +44 (0)118 932 3123 • Fax: +44 (0)118 932 3302
Email: enquiries@spppumps.com • Web: www.spppumps.com


Certificate No 111b


Product

Suction

Inlet

Diameter/

Discharge

Outlet

diameter

(mm)

Delivery

Configuration

Impeller

Diameter

(mm)

Rated

Speed

(rev/min)

Rated

Flow*

(L/min)

(at NPSH

req <=

5.38m)

Rated

Head

(bar)

(at NSPH

req <=

5.38m)

Closed

Valve

Head

(bar)

LPCB
Ref. No.
CD12K 2-10 stage Multistream multistage pump

150/125

(1)  Single stage -

closed stage or

final outlet

308

1470

4290

2.3

3.7

111b/28
CD12K 2-10 stage Multistream multistage pump

247

1470

3930

0.5

2.2

111b/28
CD12K 2-10 stage Multistream multistage pump

(2) Single stage -

intermediate outlet

308

1470

4290

0.8

3.7

111b/28
CD12K 2-10 stage Multistream multistage pump

247

1470

3930

(-ve)

2.2

111b/28
CD12K 2-10 stage Multistream multistage pump

(3) Final outlet of

ten stage pump

308

1470

4290

23.0

37.0

111b/28
CD12K 2-10 stage Multistream multistage pump

247

1470

3930

5.0

22.0

111b/28

 

The pump performance is the summation of each stage, i.e. the performance at the final outlet of an eight stage pump is 8 x (1).
The performance at the seventh stage intermediate outlet of an eight stage pump is 6 x (1) + (2).
The performance at the final outlet of a ten stage pump is 10 x (1), as detailed in (3).
  
The above pump is fitted with 'closed head' relief valve part no. 25652-511-000-7.
*The minimum bypass flow rate is 160 L/min.

 


 

To read the Red Book section introduction click here.

 

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