beautypg.com

5 pump model designation – Viking SLAL User Manual

Page 4

background image

fIGURE 1

fIGURE 2

Equipment-groups (Annex I of the EC-Directive 94/9/EC)

Group I

(mines, mine gas & dust)

Group II

(other explosive atmospheres gas/dust)

Category M

Category 1

Category 2

Category 3

1

2

G

(gas)

(Zone 0)

D

(dust)

(Zone 20)

G

(gas)

(Zone 1)

D

(dust)

(Zone 21)

G

(gas)

(Zone 2)

D

(dust)

(Zone 22)

for equipment

providing a

very high level

of protection

when

endangered by

an explosive

atmosphere

for equipment

providing a

high level of

protection when

likely to

be endangered

by an explosive

atmosphere

for equipment providing

a very high level of

protection when used

in areas where an

explosive atmosphere

is very likely to occur

for equipment providing

a high level of

protection when used

in areas where an

explosive atmosphere

is likely to occur

for equipment providing

a normal level of

protection when used

in areas where an

explosive atmosphere

is less likely to occur

fIGURE 4

EG. 123456/a/04

SECTION TSM 288

ISSUE

A

PAGE 4 OF 36

seals/area behind the rotor retainers including the threads in

the shafts should be inspected for seal deterioration or product

contamination. If any is found then the pump head should be

fully disassembled, cleaned and sanitized using a combination

of appropriate cleaning solutions and brushes and new seals

installed. Refer to Section 5 for seal assembly instructions.
It is recommended that the exterior of the pump be cleaned

periodically with a non-aggressive, non-abrasive cleaning

solution.

2.5 PUMP MOdEl dEsIGNaTION

The designations of pump models are as follows:
SLAS SLBS SLCS SLDS SLES SLFS SLGS

SLAL SLBL SLCL SLDL SLEL SLFL

SLGL

This information, together with the pump serial number, should

be provided when requesting additional information on the

pump or when ordering spare parts. The pump serial number

is stamped on the pump nameplate and the casing, (refer to

section 2.7, Figures 3 and 4).
For the maximum operating pressures, temperatures and

speeds refer to section 3.3, Figure 7.

2.6 aTEX INfORMaTION PlaTE

2.6.1 EQUIPMENT GROUPs &

CaTEGORIEs

2.7 PUMP MOdEl aNd sERIal

NUMbER

Should you require any information regarding your SL Series

rotary lobe pump contact Viking Pump or your Viking Pump

(distributor, providing the pump model and serial number as

stated on the pump nameplate, see Figure 3, which is fixed to

the bearing housing (see Figure 5 for standard pump build).
Should this be damaged or missing, the pump serial number

is also stamped on opposite corners of the casing, (see

Figure 4).

figure 3

Nameplate

VIKING PUMP, INC.

A Unit of IDEX Corporation

CEDAR FALLS, IOWA USA

Phone: (319) 266-1741

Fax: (319) 273-8157

This manual is related to the following products: