Fluorine Compressor

Fluorine (F₂) is the elemental substance with the strongest known oxidizing property. Its physical and chemical properties are extremely active, highly toxic, and extremely corrosive, posing ultimate challenges to the sealing performance, material compatibility, and safety protection of compressor systems. As an important industrial raw material, fluorine is mainly used in the synthesis of fluoropolymers, uranium hexafluoride, specialized etching gases, and rocket propellants. Its production, storage, and compression processes must be conducted under the strictest safety procedures—any trace leakage or material incompatibility can lead to catastrophic consequences.

DIAPHRAGM COMPRESSOR

PISTON COMPRESSOR

Fluorine Diaphragm Compressor Advantages

01

Absolute Leak-Free & Media Isolation Assurance:

The metal diaphragm forms an absolutely reliable static sealing barrier, ensuring that the highly toxic, highly corrosive fluorine gas is 100% contained within the wetted components while preventing external impurities from entering. This structure fully satisfies the highest safety criterion of "zero leakage" for fluorine gas handling, making it especially suitable for high-purity applications and occasions with zero tolerance for leakage.
02

Intrinsically Safe Structural Design:

The diaphragm compressor requires no dynamic piston rod seal, eliminating the most significant leakage point found in reciprocating compressors. Its structure naturally avoids the risk of fluorine gas escape caused by seal wear, providing EPC engineering companies and end users with a basic process equipment option offering inherently higher safety, greatly simplifying the complexity of safety facility design.

Key Design Points for Fluorine Diaphragm Compressors

01

Ultimate Corrosion-Resistant Material System:

All wetted parts in contact with fluorine must be fabricated from special nickel-based alloys or high-grade fluorine-resistant stainless steel. The use of copper, copper alloys, and ordinary carbon steel is strictly prohibited. The documentation explicitly states that copper alloys pose an extremely high risk when in contact with fluorine, and that austenitic stainless steels used in a fluoride ion environment must be of low-carbon or stabilized grades, with strict control over welding procedures to prevent stress corrosion cracking.
02

Ultra-Strict Cleaning & Surface Treatment:

The entire system must undergo thorough degreasing, cleaning, and passivation treatment prior to assembly to absolutely remove any grease, moisture, and metal particles. This is a prerequisite for preventing violent oxidation or corrosive reactions between fluorine and residues, ensuring long-term operational stability.
03

Multi-Layered Redundant Safety Monitoring System:

A three-layer diaphragm rupture alarm and automatic interlock shutdown device must be installed. When any working diaphragm ruptures, the monitoring system can instantly trigger an alarm and stop the compressor, preventing fluorine from penetrating the oil chamber or hydraulic oil from contaminating the gas. Simultaneously, the system must integrate multi-point pressure and temperature monitoring, as well as complete nitrogen purge and vent connections, ensuring complete air displacement within the system before startup.

Certificate

MODEL SELECTION

Model G70Z/G95Z/G110Z/G130Z	Piston Stroke 70mm~130mm	Maximum Piston Force 10KN~30KN
Maximum Discharge Pressure 70Mpa	Flow Range 1~500Nm³/h	Motor Power 2.2KW~30KW
Crankshaft Speed 420rpm	Cooling Method Water Cooled/Air Cooled

Model G70V/G95V/G130V	Piston Stroke 70mm~130mm	Maximum Piston Force 10KN~30KN
Maximum Discharge Pressure 50Mpa	Flow Range 1~200Nm³/h	Motor Power 2.2KW~30KW
Crankshaft Speed 420rpm	Cooling Method Water-cooled / Air-cooled

high purity Fluorine Diaphragm Compressor

Model G110L/G130L	Piston Stroke 110mm~130mm	Maximum Piston Force 20KN~40KN
Maximum Discharge Pressure 100Mpa	Flow Range 10~1000Nm³/h	Motor Power 7.5KW~90KW
Crankshaft Speed 420rpm	Cooling Method Water-cooled / Air-cooled

Model G110D/G130D/G150D/ G180D/G182D/G210D	Piston Stroke 110mm~210mm	Maximum Piston Force 20KN~160KN
Maximum Discharge Pressure 100Mpa	Flow Range 30~2000Nm³/h	Motor Power 22KW~200KW
Crankshaft Speed 420rpm	Cooling Method Water-cooled / Air-cooled

Diaphragm type compressor

Piston stroke 70mm

Flow(Nm3/h)

0.5

Inlet pressure(barg)

Outlet pressure(barg)

No.	Model	Cooling water	Flow	Inlet pressure	Outlet pressure	Dimensions L×W×H	Weight	Motor Power
No.	Model	(L/h)	(Nm³/h)	(MPa)	(MPa)	(≈mm)	(≈kg)	(kW)
1	GZ-1/0.5-11	500	1	0.05	1.1	1100×700×1100	800	5.5
2	GZ-3/0.6-3	500	3	0.06	0.3	1200×800×1100	800	5.5
3	GZ-16/3	1000	16	Atmospheric	0.3	2200×1700×1800	2500	7.5
4	GV-1/10	500	1	Atmospheric	1	1200×900×1200	900	5.5
5	GV-40/（-0.15）-2	1000	40	-0.015	0.2	2200×1800×1700	2700	11
6	GV-100/7-25	3000	100	0.7	2.5	2030×1045×1700	3000	30
7	GL-60/0.05-4	4000	60	0.005	0.4	2400×1800×1600	3000	15
8	GL-400/20-50	3000	400	2	5	4000×2500×2200	4500	30
9	GL-40/100	3000	40	Atmospheric	10	3700×1750×2000	3800	30
10	GD-420/8-39	8000	420	0.8	3.9	3600×2500×1700	6000	75
11	GD-370/20-200	8000	370	2	20	3600×2200×1700	5000	75
12	GD-350/18-210	8000	350	1.8	21	3600×2200×1700	5000	75

The equipment size and weight are for reference only, and the final design shall prevail.

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CASE STUDY

Russia
UNITED STATES
Spain
Kazakhstan

Fluorine Piston Compressor Advantages

01

Potential for Handling Ultra-Large Flow Rate Scenarios:

In certain theoretical specific scenarios, when the fluorine gas processing volume far exceeds the upper limit of a diaphragm compressor, a specifically and meticulously designed piston compressor may serve as an alternative. Its single-unit flow rate range is wider, determined by its structural foundation of multi-cylinder parallel arrangement.
02

Technical Maturity in the High-Pressure Field:

Reciprocating piston structure has accumulated deep technical expertise in achieving ultra-high discharge pressures (e.g., exceeding 70 MPa). If the process indeed requires compressing fluorine to extreme high pressure, and all safety issues can be resolved, the mechanical framework of a piston compressor could serve as a foundational platform.

Key Design Points for Fluorine Piston Compressors

01

Absolutely Oil-Free Lubrication and Fully Corrosion-Resistant Materials:

The cylinder must adopt an absolutely oil-free lubrication design. Piston rings and rider rings need to be made of special composite materials compatible with fluorine. All components in contact with fluorine, including the cylinder, piston, gas valves, valve plates, springs, and piping, must be fabricated from Monel alloy or special nickel-based alloys. The documentation strictly prohibits the use of copper, mercury, silver, and their alloys.
02

Piston Rod Ultra-Strong Sealing and Leakage Control:

This is the greatest difficulty in the design. A multi-stage, dry-type, or isolation-type packing box system must be adopted, strictly following standards such as API 618, equipped with nitrogen buffering, purging, and a hermetic leakage gas collection system. Any fluorine leaking from the packing must be diluted with nitrogen and directed to a dedicated tail gas destruction or treatment unit; direct discharge is strictly prohibited.
03

Over-Designed Safety and Condition Monitoring:

In addition to conventional overpressure and overtemperature protection, piston rod drop monitoring, packing box temperature online monitoring, and process gas and leakage gas concentration detectors must be added. The discharge outlets of safety valves must be connected to a closed treatment system. Before maintenance, thorough nitrogen purging and displacement procedures must be executed, and operators must be equipped with the highest level of personal protective equipment.

Certificate

MODEL SELECTION

Z Type

V / W Type

M Type

D Type

Piston stroke 80mm, 95mm	Piston force 10KN～25KN
Power 7.5KW-55KW	Number of cylinder banks 1/2
Crankshaft speed 740 rpm, 980 rpm	Number of compression stages 1/2/3/4
Drive mode Electric motor, diesel engine, natural gas engine

Piston stroke 92mm, 95mm, 105mm, 120mm	Piston force 25KN, 45KN, 65KN
Number of compression stages 1/2/3/4	Number of cylinder banks 2/3/4
Crankshaft speed 740 rpm, 980 rpm	Power 15KW-220KW
Drive mode Electric motor, diesel engine, natural gas engine

Piston stroke 92mm~315mm	Piston force 45KN~660KN
Number of compression stages 1/2/3/4	Number of cylinder banks 4
Crankshaft speed 300rpm~980rpm	Power 160KW-3000KW
Drive mode Electric motor, diesel engine, natural gas engine

High Pressure Fluorine Piston Compressor

Piston stroke 92mm~315mm	Piston force 25KN~200KN
Number of compression stages 1/2/3/4	Number of cylinder banks 2
Crankshaft speed 300rpm~980rpm	Power 30KW-1000KW
Drive mode Electric motor, diesel engine, natural gas engine

Vertical type

Oil-free / F: Air-cooled

0.15

Actual volume flow (m3/min)

6.5

Inlet pressure(barg)

Outlet pressure(barg)

S/N	Model	Flow	Inlet pressure	Outlet pressure	Motor power
S/N	Model	(Nm³/h)	(Mpa)	(MPa)	(kW)
1	ZW-0.15/6.5-25	55	0.65	2.5	7.5
2	ZW-0.12/50-60	300	5	6	11
3	ZW-0.85/0.4-25	60	0.04	2.5	15
4	VW-2.1/10-20	1140	1	2	110
5	VW-2.6/5-25	800	0.5	2.5	135
6	VW-15/13	780	Atm	1.3	132
7	D-11.8/8-12-35	6250	0.8 - 1.2	3.5	400
8	DW-9.9/30-52	16984	2.8-3	5.2	500
9	DW-27.9/4	1500	0.008-0.022	0.4	132
10	MW-15/3.5-28	3000	0.35	2.8	400
11	MW-10/3-45	1700	0.3	4.5	350
12	MW-130/1.5	6800	0	0.15	250