HiFlo Valves
  
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Valve T1
BSPT (DN*) 		T2
BSPT
a
mm
b
mm
c
mm
d
mm
e
mm
f
mm
g
mm
Slo~Flo
25mm (1”)
8mm (1/4”)
297
99
78
158
96
55
60
Rapid~Flo
25mm (1”)
32mm (1 1/4”)
297
105
78
158
96
55
60
 

*DN = Nominal Bore Size.

ADAPTORS
Product
Code		 Description T1
BSPT		 T2
BSPT		 a
mm
b
mm
c
mm
Standard Adaptors
HMA15
15mm Adaptor BSPT
25mm (1”)
15mm (1/2”)
48
21.5
47
HMA20
20mm Adaptor BSPT
25mm (1”)
20mm (3/4”)
48
28.5
48.5
HMA25
25mm Adaptor BSPT
25mm (1”)
25mm (1”)
48
31.5
51.5
HMA32
32mm Adaptor BSPT
25mm (1”)
32mm (1 1/4”)
48
31.5
51.8
HMA40
40mm Adaptor BSPT
25mm (1”)
40mm (1 1/2”)
49
38.5
58.5
HMA50
50mm Adaptor BSPT
25mm (1”)
50mm (2”)
60.5
44
64
Long Tail Adaptors
HMAL15
15mm Adaptor BSPT
25mm (1”)
15mm (1/2”)
48
72
92.7
HMAL20
20mm Adaptor BSPT
25mm (1”)
20mm (3/4”)
48
77.5
97.5
HMAL25
25mm Adaptor BSPT
25mm (1”)
25mm (1”)
54
77.5
97.5
HMAL32
32mm Adaptor BSPT
25mm (1”)
32mm (1 1/4”)
64
85.5
105.5
HMAL40
40mm Adaptor BSPT
25mm (1”)
40mm (1 1/2”)
73
97
117
HMAL50
50mm Adaptor BSPT
25mm (1”)
50mm (2”)
86
104
124
     
 

Following is a guide to the tank wall thickness that can be accommodated with the Long Tail Adaptors when used with Hansen Female Bend fittings.

15mm Long Tail Adaptor = 14mm Trough/Tank Wall
20mm Long Tail Adaptor = 22mm Trough/Tank Wall
25mm Long Tail Adaptor = 19mm Trough/Tank Walll
32mm Long Tail Adaptor = 24mm Trough/Tank Wall
40mm Long Tail Adaptor = 24mm Trough/Tank Wall
50mm Long Tail Adaptor = 24mm Trough/Tank Wall

If you require additional adaptors, please see the Valve Spare Parts listing

  
 

Click to Download Printable Version


RRV-DIMENSIONS-MATERIALS.pdf
     
  MATERIALS  
  Hansen Rain Relief Valves are manufactured from potable water approved materials  
  Valves  
 
  • Diaphragm Valve Body – Glass Fibre Reinforced Nylon
  • Diaphragm – Nitrile Rubber
  • Guide Bush – Nylon
  • Guide Tube – Acetal
  • Springs – Stainless Steel
  • Split Pin – Stainless Steel
  • Valve Body Cap – Acetal
  • Guide Pin – Stainless Steel
  • Valve Body Cap Nut – Glass Fibre Reinforced Nylon
  • Pilot Seal – Nitrile Rubber
  • Float Arm – Glass Fibre Reinforced Nylon
  • Housing – Glass Fibre Reinforced Nylon
  • Roller – Acetal
  • Plunger Housing – Acetal
  • Locking Plunger – Acetal
  • Pivot Tube – Acetal
  • Cord – Polyester
  • Float – Polypropylene
  • Weight – Stainless Steel
  • Weight Carrier – Glass Fibre Reinforced Nylon
  
 

Slo~Flo Valve only...

  
 
  • Adapter – Glass Fibre Reinforced Nylon
  • Adapter O-Ring – EPDM (Ethylene Propylene)
  • Stroke Limiter – Acetal
  • Flow Restricter – Acetal & Silicone
  
  Adaptors  
 
  • Adaptor – Glass Fibre Reinforced Nylon
  • Adaptor O-Ring – Portable Water Approved