ITT FLYGT 4901 Instalación, Servicio Y Mantenimiento página 3

Minimum permitted geodetic*** pump head without calculation.
PUMP VERSION CP 3085,
3102 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
586 68 00
Short outlet 4.0 metres
Outlet pipe 4.0 metres
558 08 00
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 –
Short outlet –
Outlet pipe
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.
Description Material Flygt
number
Major Cast iron 0314.
castings 0125.00
Ball Cast iron 0314.
(Standard 0125.00
version)
Ball Poly- 0556.
(Special urethane 9570.50
version)
Ball seat Stainless 0344.
steel 2324.02
Regulating Brass 0456.
valve 5170.04
O-rings, inner Nitrile 0516.
membrane,out- Rubber 2637.04
let pipe and 70°
outlet bend
CP/DP 3085,
3102 LT**, MT
4.5 metres
3.5 metres
3.0 metres
3.4 metres
2.7 metres
2.3 metres
** 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.
MATERIAL
Description
DIN BS ASTM
Outer
1691 1452 A48-83
GG-25 Grade No35B membrane
260 and gasket
Screws,
1691 1452 A48-83
GG-25 Grade No35B studs,
260 and nuts
Oil
Oil
(Alternative)
W.no AISI
1.4460 329
Surface
treatment
CuZn CZ121 C36000
39Pb3
4
CP/DP 3127, 3140,
3152, 3170, 3201,
3300 LT/MT/HT
4.0 metres
3.0 metres
2.5 metres
–
–
–
Material Flygt DIN
number
Nitrile
rubber
40°
Stainless 0344. W.no
steel 2343.02 1.4436 S33
Rapeseed 901762
oil (0.25 l)
Mineral oil
ISO VG 32
(0.25 l)
Coating 902933 (black)
Two 902936 (blue)
component.
BS ASTM
316 AISI
316