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Hight Pressure Regulator

Alfa 31 AP series, direct action regulation

ACCORDING TO THE EN 334 RULE

sku model price

00000002442

ALFA 31 AP SERIES REGULATOR - DN 25 - DN 40 CONNECTION

627,00 Excl. Taxes

Physical data

UM Base:
NR

Dimension:
N/A

Volume:
0 m3

Weight:
0,00 kg

Minimum Order Quantity:
1

Customs data

Customs Code
84818099

Buy
Info Request

00000002444

ALFA 31 AP SERIES REGULATOR - DN 25 - DN 40 CONNECTION - WITH BLOCK

1.026,00 Excl. Taxes

Physical data

UM Base:
NR

Dimension:
N/A

Volume:
0 m3

Weight:
0,00 kg

Minimum Order Quantity:
1

Customs data

Customs Code
84818099

Buy
Info Request

Product informations

Alfa 31 AP series regulator with direct action equipped with internal sensing line, suitable for the use of not corrosive gases as methane and LPG.

Also available the version with minimum and maximum pressure shut-off valve downstream (sku 2444).

 

REGULATOR STRUCTURE
1 O-ring
2 O-ring
3 O-ring
4 O-ring
5 O-ring
6 O-ring
7 membrane
8 pill
A plastic cap + O-ring
B complete header
C full leverage
D complete block
E shutter seat + O-ring
F bottom plate + O-ring + screws
G membrane protective plate
H
  • green spring Ø 4,5 (setting 0,69 ÷ 1 bar)
  • black spring Ø 5 (setting 1 ÷ 1,5 bar)
  • grey spring Ø 5,5 (setting 1,4 ÷ 2,1 bar)
I adjustment ferrule

Technical Features

FLOW RATE see table underlying
INLET CONNECTION DN 25
OUTPUT CONNECTION DN 40
INLET PRESSURE max 18 bar
OUTPUT PRESSURE 0,3 ÷ 2 bar (4 bar TR model)
STANDARD OUTPUT PRESSURE on request
WORKING TEMPERATURE - 20°C ÷ + 60°C
MATERIALS
  • body: GS 400 cast iron
  • header: die-cast aluminium
  • seal: nitrile rubber NBR or HNBR
  • membrane: sandwich rubberized fabric
DIMENSIONS 180 x 180 x 50 mm

 

FLOW RATE TABLE M3/H INLET PRESSURE
3 Bar 4 Bar 5 Bar 8 Bar
OUTLET PRESSURE 0,35 Bar 333 m3/h 451 m3/h 565 m3/h 676 m3/h
0,5 Bar 328 m3/h 450 m3/h 565 m3/h 677 m3/h
0,7 Bar 319 m3/h 446 m3/h 564 m3/h 678 m3/h
1 Bar 289 m3/h 437 m3/h 560 m3/h 677 m3/h
1,5 Bar 233 m3/h 411 m3/h 547 m3/h 671 m3/h
2 Bar - 363 m3/h 522 m3/h 656 m3/h

 

To obtain the LPG flow rates in kg/h, multiply the values ​​in red by 1.42.

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