Crane Type 2 Single Spring Elastomer Bellows Seal from China Manufacturer

Crane Type 2 Single Spring Elastomer Bellows Seal

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Crane Type 2 Single Spring Elastomer Bellows Seal

• Proven Geometry: Leverages the decades of reliability of the Type 1 design but compacted for tight spaces.

• Self-Aligning: The flexible bellow accommodates shaft runout.

Model:2

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Key Features

• Short Type 1: The Type 2 is essentially a Type 1 seal with a shorter working length, designed for pumps with shallow stuffing boxes.

• Positive Drive: Uses the same reliable elastomer bellow drive principle as the Type 1.

• Space Saver: Ideal for compact OEM equipment where axial space is at a premium.

Technical Specs		Materials
Mediums	Water, oil and weakly-corrosive mediums	Stationary Ring	Ceramic/Sic/TC
Pressure	≤1.4MPa	Rotary Ring	Carbon/Sic/TC
Temperature	-20℃ to 120℃	Secondary Seal	NBR/EPDM/Viton
Speed	≤15m/s	Spring and Metal Part	Stainless Steel

Product Specifications

D1 (inch)	Size Code	D1 (mm)	Size Code	D3	D7	L1	L4
0.500	0127	12	0120	30.14	25.40	20.64	7.93
		14	0140	33.32	31.75	22.23	10.30
0.625	0158	16	0160	33.32	31.75	22.23	10.30
0.750	0191	18	0180	36.50	34.93	22.23	10.30
		20	0200	39.67	38.10	23.80	10.30
0.875	0222	22	0220	39.67	38.10	23.80	10.30
		24	0240	45.50	41.28	25.40	11.10
1.000	0254	25	0250	45.50	41.28	25.40	11.10
1.125	0286	28	0280	48.50	44.44	26.97	11.10
		30	0300	52.37	47.63	26.97	11.10
1.250	0317	32	0320	52.37	47.63	26.97	11.10
		33	0330	56.00	50.80	28.58	11.10
1.375	0349	35	0350	56.00	50.80	28.58	11.10
1.500	0381	38	0380	59.20	53.98	28.58	11.10
1.625	0412	40	0400	67.00	60.33	34.93	12.70
		43	0430	69.85	63.50	34.93	12.70
1.750	0444	45	0450	69.85	63.50	34.93	12.70
1.875	0476	48	0480	73.03	66.68	38.10	12.70
2.000	0508	50	0500	76.20	69.85	38.10	12.70
2.125	0539	53	0530	82.55	76.20	42.85	14.28
2.250	0571	55	0550	85.73	79.38	42.85	14.28
2.375	0603	60	0600	88.90	82.55	46.02	14.28
2.500	0635	63	0630	92.08	85.73	46.02	14.28
2.625	0666	65	0650	98.43	85.73	49.20	15.90
2.750	0698	70	0700	101.60	88.90	49.20	15.90
2.875	0730	73	0730	104.78	95.25	52.37	15.90
3.000	0762	75	0750	107.95	98.43	52.37	15.90

Workshop

This workshop is equipped with professional processing equipment and integrated with standardized material warehousing management, enabling a one-stop production process from precision machining to finished product delivery. It ensures part machining accuracy and production efficiency, meeting various high-specification manufacturing requirements.

Metal Bellows Seals for High Temperature Pumps 606

Product Research, Development and Testing

Our Product R&D and Testing focuses on optimizing seal performance through advanced simulation and material analysis. All seals undergo rigorous trials, including thermal cycling and pressure tests, to ensure durability, minimal leakage, and long service life in demanding industrial environments.