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Saunders Diaphragms

 

Application: Saunders diaphragm valves type A

 

See guide or contact us for diaphragm selection. Saunders have a database for diaphragm selection based on almost 100 years of experience.

 

  • Full traceability in accordance with EN 10204 3.1
  • Saunders develop and manufacture their own rubber and PTFE materials for the diaphragms
  • Shuts 100% tight - dual sealing rib on diaphragms ensures tight seal to atmosphere
  • Rubber diaphragms are multi-layered and reinforced for optimal durability
  • PTFE diaphragms of two-piece design - PTFE face and reinforced rubber backing giving best performance
  • Bayonet fitting on PTFE diaphragms for easy setup and prevents incorrect fitting of diaphragm

 

General data

Type Material Temperature Comments
A2 Natural rubber -50ºC til +100ºC Replaces type Q
C1 Nitrile rubber -20ºC til +100ºC Replaces type C 
H1 CSM (Hypalon rubber) -10ºC til +100ºC Replaces type 237
XF CSM (FireSafe) -10ºC til +100ºC To firehydrant WFB
N1 Neoprene rubber -30ºC til +100ºC Replaces type HT
XC FKM (Viton) -5ºC til +150ºC Replaces type 226
XB Butyle rubber -40ºC til +130ºC Replaces type B 
XE EPDM-rubber -40ºC til +130ºC Replaces type XA / 425
425 EPM -40ºC til +140ºC No longer availerble. Replaced by type ER (aseptic) or type XE
       
PB PTFE/Butyle -20°C til +150°C Replaces type 214/300
PE PTFE/EPDM -20°C til +150°C Replaces type 214/425
PC PTFE/FKM -5ºC til +175ºC Replaces type 214/226
KE PTFE/PVDF/EPDM -20ºC til +100ºC  
KC PTFE/PVDF/FKM -20°C til +130°C  

 
∗ For other types see aseptic diaphragm valves

 

 

 

Type: A

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Diaphragms type XE
Item No. DN Description/connection
20110430 DN008 Rubber knob
20110431 DN010 Rubber knob
20110432 DN015 Rubber knob
20110433 DN020 Rubber knob
20110434 DN025 Screw
20110435 DN032 Screw
20110436 DN040 Screw
20110437 DN050 Screw
20110438 DN065 Screw
20110439 DN080 Screw
20110440 DN100 Screw
DN125 Screw
DN150 Screw
Diaphragms type ER - EPDM
Item No. DN Description/connection
20120017 DN008 4-bolt, screw
20120018 DN015 Screw
20120019 DN020 Screw
20120025 DN025 Screw
20120026 DN032 Screw
20120027 DN040 Screw
20120028 DN050 Screw
20120029 DN065 Screw
20120030 DN080 Screw
20120031 DN100 Screw
20120032 DN125 Screw
20120033 DN150 Screw
Diaphragms type Q - Natural rubber
Item No. DN Description/connection
20120173 DN008 2-bolt round, rubber knob
- DN010 2-bolt round, rubber knob
20120174 DN015 Rubber knob
20120175 DN020 Rubber knob
20120176 DN025 Screw
20120177 DN032 Screw
20120178 DN040 Screw
20120179 DN050 Screw
20120180 DN065 Screw
20120181 DN080 Screw
20120182 DN100 Screw
20120183 DN125 Screw
20120184 DN150 Screw
Diaphragms type HT - Neoprene
Item No. DN Description/connection
20120060 DN008 2-bolt round, rubber knob
20120061 DN010 Rubber knob
20120062 DN020 Rubber knob
20120063 DN025 Rubber knob
20120064 DN025 Screw
20120065 DN032 Screw
20120066 DN040 Screw
20120067 DN050 Screw
20120068 DN065 Screw
20120069 DN080 Screw
20120070 DN100 Screw
20120071 DN125 Screw
20120072 DN150 Screw
Diaphragms type C - Nitrile
Item No. DN Description/connection
20120047 DN008 2-bolt round, rubber knob
20120048 DN010 2-bolt round, rubber knob
20120049 DN015 Rubber knob
20120050 DN020 Rubber knob
20120051 DN025 Screw
20120052 DN032 Screw
20120053 DN040 Screw
20120054 DN050 Screw
20120055 DN065 Screw
20120056 DN080 Screw
20120057 DN100 Screw
20120058 DN125 Screw
20120059 DN150 Screw
Diaphragms type 226 - Viton
Item No. DN Description/connection
20120034 DN008 2-bolt round, rubber knob
20120035 DN010 2-bolt round, rubber knob
20120036 DN015 Rubber knob
20120037 DN020 Rubber knob
20120038 DN025 Screw
20120039 DN032 Screw
20120040 DN040 Screw
20120041 DN050 Screw
20120042 DN065 Screw
20120043 DN080 Screw
20120044 DN100 Screw
20120045 DN125 Screw
20120046 DN150 Screw
Diaphragms type 214/300
Item No. DN Description/connection
20120086 DN008 2-bolt round, rubber knob
20120087 DN010 Rubber knob
20120088 DN015 Bayonet
20120089 DN020 Bayonet
20120090 DN025 Bayonet
20120091 DN032 Bayonet
20120092 DN040 Bayonet
20120093 DN050 Bayonet
20120094 DN065 Bayonet
20120095 DN080 Bayonet
20120096 DN100 Bayonet
20120097 DN125 Bayonet
20120098 DN150 Bayonet
Diaphragms type 214/226
Item No. DN Description/connection
20120073 DN008 2-bolt round, rubber knob
20120074 DN010 Rubber knob
20120075 DN015 Bayonet
20120076 DN020 Bayonet
20120077 DN025 Bayonet
20120078 DN032 Bayonet
20120079 DN040 Bayonet
20120080 DN050 Bayonet
20120081 DN065 Bayonet
20120082 DN080 Bayonet
20120083 DN100 Bayonet
20120084 DN125 Bayonet
20120085 DN150 Bayonet

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