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API 610 Vertical Multistage Pumps

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API 610 Vertical Multistage Pumps

Main Applications

Sulzer API 610 Type VS1 and VS6 pumps are specified whenever
limited Net Positive Suction Head (NPSH) is available, due to
system constraints or liquids operating near their vapor pressure.
Typical applications include:
• LPG (Liquefied Petroleum Gas) boosting
• Tank farm and pipeline boosting
• LNG (Liquefied Natural Gas), cryogenic gas plant, and other
cold services
• General refining 6 1

Features and Benefits 2

1• First stage impeller 5


• Low Net Positive Suction Head
Required (NPSHR) allows use of a
shorter pump 4
2• Series impellers 3
• High efficiency; optional thrust
balanced impellers for reduced thrust
load 3

3• Column bearings
• Mounted in a reversible bearing 4
spider that may be flipped to run
a new bearing on a different shaft
surface

4• Discharge heads
• Cast or fabricated for various
nozzle, thrust bearing and seal
configurations

5• Shaft sealing 2
• Accommodates ISO 21049 (API 682)
cartridge type mechanical seals

6• Rigid adjustable spacer coupling


• Simple mechanical seal maintenance
and rotor lift adjustment

7• Construction
• VS1 for sump or tank; VS6 with
suction can to make its own NPSHa 7 1
for high vapor pressure fluids
Optional Features
and Benefits
1• Driver stand
• Discharge head and driver stand checked for natural
frequency coincidence

2• Thrust bearing
• Bearings are designed to meet ISO 13709 (API 610)
requirements to avoid overheating
• Optional fan, water or pumpage cooled thrust bearing
with CS bearing housing and high or extra high thrust
bearings

3• Mounting plate
• Optional separate mounting plate to allow for through
bolting on main flange when required by specification
or higher loading for spiral wound gasket compression
5
4• Suction can
• Specially designed suction cans are available with
dished, semi-spherical can bottom, external can
drains, below ground suction and many more options

5• J-Unit for cryogenic services


• Isolation chamber separates cold LNG from seals thus
allowing the use of standard API 682 dual seals oper-
ating near ambient temperature
• Seal oil is held at slightly higher pressure than suction
pressure by special Plan 53C. For more information,
see separate J-Unit brochure.

6• Double suction impeller for low Net Positive


Suction Head (NPSH)
6 • Provides nominal 30 % reduction in NPSH required
with Nss ≤ 11,000
• Impeller mounted between bearings
API 610 Vertical Multistage Pumps

Oil & gas Hydrocarbon Power Pulp and General Chemical Water
processing generation paper industry processing
industry industry

Operating data

50 Hz 60 Hz
up to 760 mm Pump sizes up to 30 inches

10 to 30,000 m3/h Capacities 40 to 130,000 USgpm

up to 700 m Heads up to 2,500 feet

up to 100 bar Pressures up to 1,450 psi

-170 to +205°C Temperatures -280 to +400°F

up to 3,600 rpm Speeds up to 3,600 rpm

Performance ranges

50 Hz 60 Hz
Head H (m) Head H (ft)
1,000 10,000

1,000
SJD
100
SJD

100

10 SJT/SJM
SJT/SJM 10

1 1
1 10 100 1,000 10,000 100,000 1 10 100 1,000 10,000 100,000 1,000,000
Capacity Q (m3/h) Capacity Q (USgpm)

Materials

Material classes Material

ISO 13709 (API 610) S-5, S-6, S-8, A-8, D-1, D-2
We Do What We Say

Customer partnership
• We are reliable partners
• We provide a high level of service
• We make our customers more
competitive

Committed people
• We drive accountability
• We are open and transparent
• We are team players

Operational excellence
• We focus on results
• We take initiative and work within
established processes
• We act safely

A Global Specialist at Your Doorstep

Sulzer serves clients worldwide through a network of over 150 production and service sites and has a
strong footprint in emerging markets.

Sulzer headquarters,
Winterthur, Switzerland
www.sulzer.com

E10003 en (2) 11.2014 (1,000), Copyright © Sulzer


This brochure is a general presentation. It does not provide any warranty or guarantee of any kind. Please, contact us for a description of the warranties and guarantees offered with
our products. Directions for use and safety will be given separately. All information herein is subject to change without notice.

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