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90º Flange Head Elbow for Inch-Size Tube-2
Unit of Measure
1 2 3 4 

Item #

Tube Size

Gasket Material

Dimension L

Dimension J

Dimension R

List Price

NH1637D200-250 N/A N/A EPDM N/A 5.12 in N/A 3.31 in N/A 2.25 in QUOTE
NH1637N200-250 N/A N/A BUNA-N (High Temperature) N/A 5.12 in N/A 3.31 in N/A 2.25 in QUOTE
NH1637S200-250 N/A N/A Silicone N/A 5.12 in N/A 3.31 in N/A 2.25 in QUOTE
NH1637V200-250 N/A N/A Fluorocarbon N/A 5.12 in N/A 3.31 in N/A 2.25 in QUOTE
NH1687C200-250 N/A N/A BUNA-N (Standard) N/A 130.0 mm N/A 85.1 mm N/A 57.2 mm QUOTE
NH1687D200-250 N/A N/A EPDM N/A 130.0 mm N/A 85.1 mm N/A 57.2 mm QUOTE
NH1637C250 N/A 2.50 in N/A BUNA-N (Standard) N/A 5.62 in N/A 3.75 in N/A 2.75 in QUOTE
NH1637D250 N/A 2.50 in N/A EPDM N/A 5.62 in N/A 3.75 in N/A 2.75 in QUOTE
NH1637N250 N/A 2.50 in N/A BUNA-N (High Temperature) N/A 5.62 in N/A 3.75 in N/A 2.75 in QUOTE
NH1637S250 N/A 2.50 in N/A Silicone N/A 5.62 in N/A 3.75 in N/A 2.75 in QUOTE
NH1637V250 N/A 2.50 in N/A Fluorocarbon N/A 5.62 in N/A 3.75 in N/A 2.75 in QUOTE
NH1687C250 N/A 63.5 mm N/A BUNA-N (Standard) N/A 142.7 mm N/A 95.3 mm N/A 69.9 mm QUOTE
NH1687D250 N/A 63.5 mm N/A EPDM N/A 142.7 mm N/A 95.3 mm N/A 69.9 mm QUOTE
NH1637C250-300 N/A N/A BUNA-N (Standard) N/A 5.62 in N/A 3.81 in N/A 2.75 in QUOTE
NH1637D250-300 N/A N/A EPDM N/A 5.62 in N/A 3.81 in N/A 2.75 in QUOTE
NH1637N250-300 N/A N/A BUNA-N (High Temperature) N/A 5.62 in N/A 3.81 in N/A 2.75 in QUOTE
NH1637S250-300 N/A N/A Silicone N/A 5.62 in N/A 3.81 in N/A 2.75 in QUOTE
NH1637V250-300 N/A N/A Fluorocarbon N/A 5.62 in N/A 3.81 in N/A 2.75 in QUOTE
NH1687C250-300 N/A N/A BUNA-N (Standard) N/A 142.7 mm N/A 96.8 mm N/A 69.9 mm QUOTE
NH1687D250-300 N/A N/A EPDM N/A 142.7 mm N/A 96.8 mm N/A 69.9 mm QUOTE
NH1637C300 N/A 3.00 in N/A BUNA-N (Standard) N/A 6.50 in N/A 4.25 in N/A 3.38 in QUOTE
NH1637D300 N/A 3.00 in N/A EPDM N/A 6.50 in N/A 4.25 in N/A 3.38 in QUOTE
NH1637N300 N/A 3.00 in N/A BUNA-N (High Temperature) N/A 6.50 in N/A 4.25 in N/A 3.38 in QUOTE
NH1637S300 N/A 3.00 in N/A Silicone N/A 6.50 in N/A 4.25 in N/A 3.38 in QUOTE
NH1637V300 N/A 3.00 in N/A Fluorocarbon N/A 6.50 in N/A 4.25 in N/A 3.38 in QUOTE
Unit of Measure
1 2 3 4