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DIAPHRAGM BACKUP - 1.5" (40-037)
Product Description:
DIAPHRAGM BACKUP - 1.5" (40-037) is a heavy-duty reinforcement component designed for a 1½-inch (40mm) air-operated double diaphragm (AODD) pump.
About the Product:
Installed in pairs (two per pump) within the wet-side chambers between the inner and outer diaphragm plates. Acts as the mechanical "driver" positioned behind the primary diaphragm to provide the necessary flexibility and force for reciprocating motion.
Make: BLAGDON
Specifications:
Material: Buna-N (Nitrile) or Neoprene.
Pump Size: 1.5" (40mm).
Temperature Range: -18°C and +100°C.
Operating pressure: 8.6 bar (125 psi).
Displacement per Stroke: 1.2 litres.
Max Flow Rate: 320–401 litres/minute
Product Weight: 100gm
Features:
1. Universal Chemical Resistance
2. Low Friction
3. Long Cycle Life
4. Structural Support with Precision Fit
5. Standardized Geometry
Terms & Conditions:
This is a Non-Returnable product
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Ratings & Reviews
11 verified review(s) • 100% recommend this product
V
Vimal Deshmukh
✓ Verified
28 Sep 2026
★★★★★
Outstanding Care
Professional, courteous customer workflows handled everything flawlessly.
Pharma
Nail polish filling
6–12 months
📍 Rajkot
V
Vaibhav Bajpai
✓ Verified
31 Aug 2026
★★★★★
Great Bulk Cost
Unbeatable wholesale pricing on large bulk orders.
Paint
Dye metering
1–6 months
📍 Bengaluru
M
Madhesh Chander
✓ Verified
02 Aug 2026
★★★★★
Fast Search Engine
The filter options pinpointed what I needed quickly.
Mining
Explosive slurry loading
Less than 1 month
📍 Chennai