Spirax Sarco Fig36 is a flanged, Y-pattern austenitic stainless steel strainer. The standard stainless steel screen has a 0.8mm perforation for DIN15-DN80 and a 1.6mm perforation for DIN100-DN200. Other perforation sizes, mesh counts, and Monel screens are available. The strainer cap can be drilled and tapped for connection to a blowdown or drain valve as required.

Standards

This product fully complies with the European Pressure Equipment Directive 97/23/EC and can be supplied with the mark upon request.

Certificates

An EN 10204 3.1 material certificate is available when specified at the time of order.

Options

• Screens

Stainless steel screens: Perforation sizes are 1.6mm (DN15-DN80) and 3.0mm (DN15-DN200); mesh counts are 40, 100, and 200.

• Monel screens: Perforation sizes are 0.8mm (DN15-DN80), 1.6mm (DN15-DN200), and 3.0mm (DN15-DN200); mesh count is 100.

• Blowdown or drain valve connection The cap can be drilled and tapped in different sizes for installing a blowdown or drain valve, as shown below:

Strainer size	Blowdown valve	Drain valve
DN15	¼”	¼”
DN20 and DN25	½”	½”
DN32 and DN40	1”	¾”
DN50 and DN125	1¼”	¾”
DN150 and DN200	2”	¾”

Operating range

Body design	ANSI 300 (PN50)
PMA maximum allowable pressure	41 bar g @ 38 ℃
TMA maximum allowable temperature	450 ℃ @ 21 bar g
Minimum allowable temperature	-29 ℃
PMO maximum operating pressure	ANSI 150 16 bar g; PN40 38 bar g; ANSI 300 41 bar g
TMO maximum operating temperature	450 ℃ @ 21 bar g
Minimum operating temperature	-29 ℃
Maximum cold hydraulic test pressure	76 bar g
Note	Consult Spirax Sarco for lower operating temperatures

Sizes and pipe connections

Available sizes are DN15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150, and 200.

Flange standards:

• EN1092 PN16, 25, and PN40 (DN15-DN50);

• EN1092 PN25 and PN40 (DN65-DN150);

• EN1092 PN40 (DN200);

• ANSI 150 and ANSI 300 (all sizes);

JIS/KS flanges are available upon request.

Materials

No.	Component	Material
1	Body	Austenitic stainless steel ASTM A351 CF3M
2	Cap	DN15-DN50: Austenitic stainless steel ASTM A182F316L; DN65-DN200: Austenitic stainless steel ASTM A351 CF3M
3	Gasket	Reinforced exfoliated graphite
4	Screen	Austenitic stainless steel ASTM A240 316L
5	Bolts	Austenitic stainless steel ISO 3506 A2-70

Kv values

Conversion formulas: c (UK) = Kv x 0.963; Cv (US) = Kv x 1.156

Size	DN15	DN20	DN25	DN32 DN40	DN50	DN65	DN80	DN100	DN125	DN150	DN200
0.8, 1.6, and 3mm perforation	5	8	13	22	29	46	72	103	155	237	340
Mesh counts 40 and 100	5	8	13	22	29	46	72	103	155	237	340
Mesh count 200	4	6	10	17	23	37	58	83	124	186	268

Weight (approximate)

Size	Weight (kg)
DN15	2.5
DN20	4.5
DN25	5.0
DN32	10.0
DN40	12.0
DN50	16.5
DN65	23.0
DN80	35.6
DN100	38.5
DN125	76.0
DN150	109.0
DN200	144.0

Safety information, installation, and maintenance

For detailed information, refer to the installation and maintenance guide supplied with the product (IM-S60-18).

• Installation note: Install the strainer horizontally in the flow direction indicated by the arrow on the body. When used in horizontal steam or gas piping, keep the strainer body in the horizontal plane; in liquid systems, position the body vertically downward. Suitable isolation valves should be installed upstream and downstream to facilitate maintenance and replacement.

• Maintenance note: Follow safe operating procedures. The strainer can be serviced directly in the pipeline. New gaskets and spare parts are recommended during maintenance.

• Warning: The cap gasket contains a thin stainless steel support ring. Handle it carefully.

• Disposal: This product is recyclable and, when disposed of properly, presents no environmental hazard.

Ordering

Example: 1 - Spirax Sarco DN 32 Fig 36 strainer with BS 4504 PN 40 flanged connections and a stainless steel screen with 0.8mm perforation.