ITT Flygt 4901 - MATERIAL

4
Minimum permitted geodetic*** pump head without calculation.
PUMP VERSION CP 3085, CP/DP 3085, CP/DP 3127, 3140,
3102 HT 3102 LT**, MT 3152, 3170, 3201,
3300 LT/MT/HT
4901 STANDARD VERSION 556 51 01(Black painted valve body)
Type of outlet (Includes outlet bend 586 68 00)
Outlet bend 4.0 metres 4.5 metres 4.0 metres
586 68 00
Short outlet 4.0 metres 3.5 metres 3.0 metres
Outlet pipe 4.0 metres 3.0 metres 2.5 metres
558 08 00
Maximum allowable pump head (For Special version only)
The maximum allowable geodetic pump head is
3.5 metres.
The maximum allowable pump operating head (duty
head) is 5.0 metres. (Closed flush valve.)
* If the approved head is lower than indicated in the ta-
ble, contact your nearest ITT Flygt representative for a
calculation of the limitations.
** CP/DP 3085 performance curves with a shut-off
head of less than 7.0 metres should use the Special
Version.
*** Difference in height between the water level in the
sump and the highest point of the discharge pipe.
4901 SPECIAL VERSION 556 51 02 (Blue painted valve body) For CP/DP 3085/3102 only.
Type of outlet (Includes outlet bend 586 68 00 and outlet pipe 558 08 00)
Outlet bend
586 68 00 – 3.4 metres –
Short outlet – 2.7 metres –
Outlet pipe
558 08 00 – 2.3 metres –
MATERIAL
Description Material Flygt DIN BS ASTM
number
Major Cast iron 0314. 1691 1452 A48-83
castings 0125.00 GG-25 Grade No35B
260
Ball Cast iron 0314. 1691 1452 A48-83
(Standard 0125.00 GG-25 Grade No35B
version) 260
Ball Poly- 0556.
(Special urethane 9570.50
version)
Ball seat Stainless 0344. W.no AISI
steel 2324.02 1.4460 329
Regulating Brass 0456. CuZn CZ121 C36000
valve 5170.04 39Pb3
O-rings, inner Nitrile 0516.
membrane,out- Rubber 2637.04
let pipe and 70°
outlet bend
Description Material Flygt DIN BS ASTM
number
Outer Nitrile
membrane rubber
and gasket 40°
Screws, Stainless 0344. W.no 316 AISI
studs, steel 2343.02 1.4436 S33 316
and nuts
Oil Rapeseed 901762
oil (0.25 l)
Oil Mineral oil
(Alternative) ISO VG 32
(0.25 l)
Surface Coating 902933 (black)
treatment Two 902936 (blue)
component.