GFS P-max
GFS P-Max® features an integrated containment sleeve which wraps around the inner GFS CSST, a stainless steel metal hose with a corrugated construction. It conforms to EN 10380 produced in 316L (1,4404) stainless steel to EN 10028-7 standards.
The outer sleeve is rigid on the underside, creating space between the outer sleeve and the pipe jacket, allowing any gas to ventilate in the case of a leak.
features & benefits of the gfs p-max


guide to working with gfs p-max

Using a cutter designed to cut stainless steel, cut GFS P-Max® to the desired length by placing the cutter’s rollers between two of the pipe’s corrugations. Using light pressure, rotate the cutter in one direction to create a neat cut.
To ensure a quality flare, all cuts should be made on a straight section of the tubing.
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Using the GFS hose peeler (15266-BKM-02 or 15266-BKM-03) place onto the outer sleeve approximately 100mm from the cut edge of the pipe. After a minimum of three rotations, you will have cut through the outer sleeve without damage to the inner jacket below.

To fully remove the outer sleeve, place a hand either side of the cut and simply twist and pull the unwanted sleeve off and away from the pipe whilst firmly holding the other side securely in your other hand.

Using the GFS hose peeler (15266-BKM-02 or 15266-BKM-03) place onto the inner jacket approximately 30mm from the cut edge of the pipe. After a minimum of three rotations, you will have cut through the inner jacket without damage to the stainless-steel pipe below. Remove the unwanted jacket by simply sliding off and away from the pipe.

Your length of GFS P-Max®is now ready for the “Push and Seal” fitting to be attached.
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GFS P-Max® features an integrated containment sleeve which wraps around the inner GFS CSST, a stainless steel metal hose with a corrugated construction. It conforms to EN 10380 produced in 316L (1,4404) stainless steel to EN 10028-7 standards.
The outer sleeve is ridged on the underside, creating space between the outer sleeve and the pipe jacket, allowing any gas to ventilate in the event of a leak.
GFS PMAX
Complies with BS6891 installation requirements
Support
According to installation standard BS 6891, all pipework must be adequately supported. The ridges within GFS P-Max® offer support to the internal pipe whilst also maintaining channels for the free movement of gas should an escape occur. GFS P-Max® can be clipped, ensuring it is properly secured.
Cost Effective
Removes the need to pre-sleeve CSST pipe. This saves valuable installation time on site, a real time saver.
Burial
As per manufacturer’s instructions, GFS P-Max® is suitable for both internal and external burial. For burial depths contact info@gfsflex.com.
technical specifications
Material specifications
- Tubing: stainless steel 1.4404 – 316L
- Inner sleeve: UV resistant polyethylene
- Outer jacket: ribbed, UV resistant polyethylene
Swipe below to see the full table →
DN SIZE |
outer diameter both sleeves |
outer diameter inner sleeve |
outer diameter no sleeves |
Inside diameter |
Lengths available (m) |
---|---|---|---|---|---|
DN15 |
22.5 |
20.9 |
19.9 |
16.0 |
30, 75 |
DN20 |
28.9 |
26.4 |
25.4 |
20.0 |
30, 75 |
DN25 |
34.0 |
32.4 |
31.4 |
25.4 |
30, 45, 75, 90 |
DN32 |
43.4 |
41.8 |
40.8 |
33.0 |
45,75,90 |
DN40 |
50.6 |
49.0 |
48.0 |
40.7 |
45, 75 |
DN50 |
62.9 |
61.3 |
60.3 |
50.8 |
45 |
gfs p-max product range
Swipe below to see the full table →
PRODUCT CODE |
DESCRIPTION |
PackageQuantity |
Kg/Reel |
Reel size (mm)(dia x width) |
---|---|---|---|---|
15266-FLX-15-30MAX |
DN15 GFS P-MAX CSST Sleeved Coil |
30M Coil |
10.7 |
700 x 270 |
15266-FLX-15-75MAX |
DN15 GFS P-MAX CSST Sleeved Coil |
75M Coil |
26.8 |
700 x 270 |
15266-FLX-20-30MAX |
DN20 GFS P-MAX CSST Sleeved Coil |
30M Coil |
11.3 |
700 x 270 |
15266-FLX-20-75MAX |
DN20 GFS P-MAX CSST Sleeved Coil |
75M Coil |
28.4 |
700 x 270 |
15266-FLX-25-30MAX |
DN25 GFS P-MAX CSST Sleeved Coil |
30M Coil |
14.3 |
700 x 270 |
15266-FLX-25-45MAX |
DN25 GFS P-MAX CSST Sleeved Coil |
45M Coil |
21.5 |
700 x 270 |
15266-FLX-25-75MAX |
DN25 GFS P-MAX CSST Sleeved Coil |
75M Coil |
35.9 |
744 x 400 |
15266-FLX-25-90MAX |
DN25 GFS P-MAX CSST Sleeved Coil |
90M Coil |
43.1 |
744 x 400 |
15266-FLX-32-45MAX |
DN32 GFS P-MAX CSST Sleeved Coil |
45M Coil |
33.8 |
744 x 400 |
15266-FLX-32-75MAX |
DN32 GFS P-MAX CSST Sleeved Coil |
75M Coil |
56.4 |
800 x 420 |
15266-FLX-32-90MAX |
DN32 GFS P-MAX CSST Sleeved Coil |
90M Coil |
67.6 |
800 x 420 |
15266-FLX-40-45MAX |
DN40 GFS P-MAX CSST Sleeved Coil |
45M Coil |
49.1 |
800 x 420 |
15266-FLX-40-75MAX |
DN40 GFS P-MAX CSST Sleeved Coil |
75M Coil |
81.9 |
800 x 300 |
15266-FLX-40-90MAX |
DN40 GFS P-MAX CSST Sleeved Coil |
90M Coil |
98.2 |
950 x 720 |
15266-FLX-50-45MAX |
DN50 GFS P-MAX CSST Sleeved Coil |
45M Coil |
55.1 |
950 x 720 |