About us
Kefilbao Filter Technology (Suzhou) Co., Ltd. is a high-tech company specializing in bag filters and folding filter elements, integrating product research and development, production, and sales.
Chemicals
General Application Junior Cartridge filters Hydrophobic PTFE membrane
Author: ComeFrom: Date:2026-02-02 12:38:23 Hits:35
SPGAJF Grade Filter hydrophobic ePTFE cartridges are 100% integrity tested, it is constructed of single-layer sterilizing expanded polytetrofluoroethylene membrane. It offers broad chemical compatibility, higher filter area with high flow rates at low pressure drops, and low extractables.
Typical Application：
Compressed air
Pressurized gases
Tank ventilation
Chemicals
Solvents
Compressed air
Pressurized gases
Tank ventilation
Chemicals
Solvents
Benefits
100% integrity tested
FDA food contact compliant
Thermal bonding
Non-fiber releasing
100% integrity tested
FDA food contact compliant
Thermal bonding
Non-fiber releasing
Food Safety Compliance：
Materials of construction comply with FDA regulations for food and beverage contact use as detailed in the US Code of Federal Regulations, 21CFR.Materials used to produce filter media and hard ware are safe for use in contact with foodstuffs in accordance with EU Directives 10/2011.
Materials of construction comply with FDA regulations for food and beverage contact use as detailed in the US Code of Federal Regulations, 21CFR.Materials used to produce filter media and hard ware are safe for use in contact with foodstuffs in accordance with EU Directives 10/2011.
Maximum Operating Parameters
Differential Pressure
• Forward 50 psid (3.4 bard) at 20℃ (68°F)
• Reverse 40 psid (2.7 bard) at 20℃ (68°F)
Operating Temperature 82℃ (180°F) at 10 psid (0.69 barg) in water
Recommended Change out Pressure: 35psid (2.4barg)
Differential Pressure
• Forward 50 psid (3.4 bard) at 20℃ (68°F)
• Reverse 40 psid (2.7 bard) at 20℃ (68°F)
Operating Temperature 82℃ (180°F) at 10 psid (0.69 barg) in water
Recommended Change out Pressure: 35psid (2.4barg)
Toxity：
All components meet the specifications for biological safety per USP Class VI-121℃ for plastics.
All components meet the specifications for biological safety per USP Class VI-121℃ for plastics.
Construction Materials
Filter Membrane: ePTFE
Media Support: Polypropylene
End Caps: Polypropylene with embedded 316 ring
Inner Core: SUS 316L perforated core
Outer Cage: Polypropylene
Sealing Method: Thermal Bonding
O-rings: Buna, Viton (or FKM), EP, Silicone, Encapsulated Silicone, Encapsulated Viton (or FKM).
Filter Membrane: ePTFE
Media Support: Polypropylene
End Caps: Polypropylene with embedded 316 ring
Inner Core: SUS 316L perforated core
Outer Cage: Polypropylene
Sealing Method: Thermal Bonding
O-rings: Buna, Viton (or FKM), EP, Silicone, Encapsulated Silicone, Encapsulated Viton (or FKM).
Integrity Test Specifications
| Pore size | Bubble Point/IPA |
| 0.1µm | 1.7barg |
| 0.2µm | 1.1barg |
| 0.45µm | 0.6barg |
| 1.0µm | 0.4barg |
| 3.0µm | 0.1barg |
| 5.0µm | 0.07barg |
| SPGAJF | Pore size | Area | Endcaps | Seal | Connection Support |
| 001=0.1µm 002=0.2µm 004=0.45µm 006=0.65µm 010=1.0µm 030=3.0µm 050=5.0µm | H=500cm^2 S=1100cm^2 D=1800cm^2 L=2500cm^2 | A=116 w/o locking groove B=116 w/ locking groove C=116 w/ locking groove, ss ring D=118 double o-ring E=118 w/short lugs (Pall replacement) F=118 w/longlugs (Sartorious replacement) G=1/2"NPT threaded H=123 double o-ring I=126 double o-ring J=1"TC K=80mm skirting L=1/2"TC M=1/2"BSPT N=123 double o-ring O=AS116 (Pall replacement) P=AS116 (Parker replacement) Q=1/2"BSPP | B=Buna-N E=EPDM S=Sione V=Vition | S=SS reinfocement |