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Style 1600 Glass-Filled PTFE Piston Seal, 2.25 Inch Bore Diameter, 1.94 Inch Groove Diameter, Inch Groove Width

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Bore
2.25
Bore Tolerance (in)
±0.001
Cross Section Tolerance (in)
+0.005 / -0
Brand
Hercules Sealing Products
Brand
Hercules Sealing Products
Pack Size
1.00
UOM
EA
Groove Dia. E
1.94
Groove Width Tolerance (in)
+0.003 / -0
Piston Dia. F
2.25
Piston Dia. Tolerance (in)
+0/-0.003
Seal Cross Section C
0.06
Seal Height B
0.12
Seal Height Tolerance (in)
+0.005 / -0
Supplier Part Number
PS1600-36
Alternate Part Numbers
Alternate Part Number C1DH64
Product Weight
0.02 lbs
Product Questions & Answers 2

Product Questions & Answers

trying to match up a piston seal i pulled out, is this style 1600 one the right fit for a 2.25 bore and 1.937 groove dia?
Question by: Judy H on Aug 10, 2025, 4:14 PM
It matches a 2.25 inch bore and a 1.937 inch groove diameter, with a 0.055 inch seal cross section and 0.12 inch seal height. The piston diameter callout is 2.249 inches with a +0.000 / -0.003 tolerance, and those piston dimensions are for pistons without wear rings.
Answer by: Customer Support on Aug 12, 2025, 6:37 AM
Got a 2.25 inch bore cylinder that needs a new piston seal, this one fit right without any modifications?
Question by: Tommy J on Dec 13, 2025, 7:48 PM
For a 2.25 inch bore, this seal is built around a piston diameter of 2.249 inches with a tolerance of +0.000 / -0.003 inches, and the bore tolerance runs ±0.001 inches. As long as your cylinder falls within those ranges, it should seat properly without any machining or rework. One thing worth noting: those piston diameter dimensions are for pistons without wear rings, so if yours has wear rings already installed, the fit math will be different.
Answer by: Customer Support on Dec 15, 2025, 6:03 AM

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Model Number Bore Seal Height B Seal Cross Section C Groove Width D Groove Dia. E Piston Dia. F Groove Width Tolerance (in) Seal Height Tolerance (in) Bore Tolerance (in) Cross Section Tolerance (in) Piston Dia. Tolerance (in) Price Buy Now
PS1600-32 2 0.12 0.055 1.723 1.999 +0.003 / -0 +0.005 / -0 ±0.001 +0.005 / -0 +0/-0.003
PS1600-36 2.25 0.12 0.055 1.937 2.249 +0.003 / -0 +0.005 / -0 ±0.001 +0.005 / -0 +0/-0.003
PS1600-40 2.5 0.12 0.055 2.223 2.499 +0.003 / -0 +0.005 / -0 ±0.001 +0.005 / -0 +0/-0.003
PS1600-44 2.75 0.15 0.085 2.348 2.749 +0.003 / -0 +0.005 / -0 ±0.001 +0.005 / -0 +0/-0.004
PS1600-48 3 0.15 0.085 2.603 2.999 +0.003 / -0 +0.005 / -0 ±0.001 +0.005 / -0 +0/-0.004
PS1600-52 3.25 0.15 0.085 2.853 3.249 +0.003 / -0 +0.005 / -0 ±0.001 +0.005 / -0 +0/-0.004
PS1600-56 3.5 0.15 0.085 3.103 3.499 +0.003 / -0 +0.005 / -0 ±0.001 +0.005 / -0 +0/-0.004
PS1600-64 4 0.15 0.085 3.6 3.999 +0.003 / -0 +0.005 / -0 ±0.001 +0.005 / -0 +0/-0.004
PS1600-68 4.25 0.15 0.085 3.853 4.249 +0.003 / -0 +0.005 / -0 ±0.001 +0.005 / -0 +0/-0.004