Spirax Sarco - Catalogo Agosto 2017

Pipeline ancillaries

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ISO 9001

TI-P133-28

ST Issue 10

Cert. No. LRQ 0963008

M31S ISO

Full Bore Ball Valve

DN50 to DN200 DIN PN16 (F1 and F4)

Description

Technical data

The M31S ISO full bore two-piece body ball valve, has been

designed for use as an isolating valve, not a control valve. It can

be used with the majority of industrial fluids on applications, which

include steam, condensate, water, oil, gases, and other fluids within

its operating range.

The M31S ISO DIN has antistatic seats as standard and an ISO

mounting pad in accordance with ISO 5211.

Available types

Flow characteristic

Port

Leakage test procedure to ISO 5208 (Rate A) / EN 12266-1 (Rate A)

DN50 shown

Modified linear

Full bore

Antistatic device

Pressure/temperature limits

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Body design conditions

PMA Maximum allowable pressure

TMA Maximum allowable temperature

Minimum allowable temperature

PMO

Maximum operating pressure

for saturated steam service

TMO Maximum operating temperature

Minimum operating temperature

Complies with ISO 7121

M31S2 ISO

M31S3 ISO

Standards

Zinc plated carbon steel body,

PDR 0.8 seats and ISO mounting.

Stainless steel body,

PDR 0.8 seats and ISO mounting.

This product fully complies with the requirements of the

European Pressure Equipment Directive 97/23/EC and carries

the

mark when so required.

Certification

This product is available with certification to EN 10204 3.1.

Note: All certification/inspection requirements must be stated

at the time of order placement.

Options

• Self-venting ball.

• Operation by manual handwheel for bigger sizes (DN100 to 200).

• Operation by pneumatic actuator BVA200 series for all sizes.

• Other ball materials are available on request (i.e: 11-13% Cr).

Sizes and pipe connections

DN50, DN65, DN80, DN100, DN150 and DN200.

Standard flange EN 1092 PN16 with face-to-face dimensions

according to DIN 3202 F1 and F4/F5.

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Pressure bar g

The product must not be used in this region.

BS 5351

16 bar g @ 50°C

260°C @ 0 bar g

-29°C

12.5 bar g

260°C @ 0 bar g

-29°C

Note: For lower operating temperatures consult Spirax Sarco

PMX Maximum differential pressure is limited to the PMO

Designed for a maximum cold hydraulic test pressure of 24 bar g

Local regulations may restrict the use of this product to below the conditions quoted.

In the interests of development and improvement of the product, we reserve the right to change the specification without notice.