31M-VV, 31M-NP, 31M-EE, 31M (CR/ER)-EE, 31M (CR/ER)-NP, 31M …

Machinery Components

Expansion Joints

31M-VV, 31M-NP, 31M-EE, 31M (CR/ER)-EE, 31M (CR/ER)-NP, 31M (CR/ER)-VV
,

Product Description

31M rubber compensators are specially designed in a spherical shape and the rubber bellows is reinforced with steel wire and synthetic fabric and then finally vulcanized under high pressure. The compensator is supplied with floating metallic flanges., 31M-EE & 31M (CR/ER)-EE (Red): Inner tube: EPDM; Reinforcement: synthetic fiber/fabric; Cover: EPDM; Design Temperature: -40 to 120 deg.C, 31M-NP & 31M (CR/ER)-NP (Yellow): Inner tube: NBR; Reinforcement: synthetic fiber/fabric; Cover: CR; Design Temperature: -40 to 100 deg.C, 31M-VV & 31M (CR/ER)-VV (Green): Inner tube: VITON; Reinforcement: synthetic fiber/fabric; Cover: VITON; Design Temperature: 0 to 200 deg.C

Product Ratings

1. Size: | 31M-EE, NP & VV: DN (mm) 25/32/40/50/65/80/100/125/150/200/250/300/350/400/450 | 31M (CR/ER)-EE, NP & VV (inch): 1, 1.25, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10, 12, 14, 16 & 18 (Concentric & Eccentric Reducer) | | 2. Design Pressure: | 23 bar (250 DN & 10 inch), 20 bar (DN 100 & 4 inch), 16 bar (DN 25 to 450, 1 to 18 inch), 10 bar (DN 250 to 400, 10 to 16 inch) | | 3. Length: | 31M-EE, NP & VV (mm): 100 to 300 for DN 25 to 200; 130 to 400 for DN 250 to 450; | 31M (CR/ER)-EE, NP & VV) (mm): 150 to 300 for 1 to 8 inch; 200 to 300 for 10 inch; 200 to 400 for 12 to 18 inch; | | 4. Flange: ASME B16.5 Class 150, ISO PN6, PN10, PN16, JIS 5K, 10K, 16K

Applicable Standards

ASTM F1123-87 (Reapproved 2010), ISO 15540 (2016), ISO 15541 (2016)

Technical Handbook Piping Systems Non-Metallic Expansion Joints 8.0 Edition by Fluid Sealing Association