174, Multiply To Obtain | Middleby Marshall PS360, PS570, PS200

SECTION 5 - REFERENCE

MULTIPLY	BY	TO OBTAIN
atmospheres (std. -
760mm of mercury
at 32°F/0°C)	14.696	lbs./sq. inch
atmospheres	76.0	cm of mercury
atmospheres	29.92	in. of mercury
atmospheres	33.90	ft. of water
atmospheres	1.0333	kg/sq. cm
atmospheres	14.70	lbs./sq. inch
atmospheres	1.058	tons/sq. ft.
BTU (British	0.2520	kilogram-calories
Thermal Units)
BTU	777.5	ft.-lbs.
BTU	0.000393 ...	horsepower-hrs.
BTU	0.293	Watt-hrs.
BTU/min	12.96	ft.-lbs.-sec.
BTU/min	0.02356 ....	horsepower
BTU/min	0.01757 ....	kilowatts
BTU/min	17.57	Watts
calories	0.003968 ...	BTU
centimeters	0.3937	inches
centimeters	0.03280 ....	feet
centimeters	0.01	meters
centimeters	10	millimeters
cm of mercury	0.01316 ....	atmospheres
cm of mercury	0.4461	ft. of water
cm of mercury	136.0	kg/sq. meter
cm of mercury	27.85	lbs./sq. ft.
cm of mercury	0.1934	lbs./sq. in. (psi)
cubic feet	2.832x104 ...	cubic cm
cubic feet	1728	cubic inches
cubic feet	0.02832 ....	cubic meters
cubic feet	0.03704 ....	cubic yards
cubic feet	7.48052 ....	gallons (U.S.)
cubic ft./min	472	cubic cm/sec.
cubic ft./min	0.1247	gallons/sec.
cubic ft./water	62.4	lb. @ 60°F/16°C
feet	30.48	centimeters
feet	12	inches
feet	0.3048	meters
feet	1/3	yards
feet of water	0.02950 ....	atmospheres
feet of water	0.8826	in. of mercury
feet of water	0.03048 ....	kg/sq. cm
feet of water	62.43	lbs./sq. ft.
feet of water	0.4335	lbs./sq. in. (psi)

General conversion factors

MULTIPLY	BY	TO OBTAIN
feet/min	0.5080	cm/sec.
feet/min	0.01667 ....	ft./sec.
feet/min	0.01829 ....	km/hr.
feet/min	0.3048	meters/min.
feet/min	0.01136	miles/hr. (mph)
foot-pounds	0.001286 ...	BTU
gallons (imp.)	1.201	gallons (U.S.)
gallons (U.S.)	0.833	gallons (imp.)
gallons (U.S.)	3785	cubic cm
gallons (U.S.)	0.1337	cubic feet
gallons (U.S.)	231	cubic inches
gallons (U.S.)	128	fluid ounces
gallons (U.S.)	3.785	liters
gallons (U.S.) water	8.35	lbs. H2O@60°F/16°C
horsepower	42.44	BTU/min.
horsepower	33,000	foot-lbs./min.
horsepower	550	foot-lbs./sec.
horsepower	0.7457	kilowatts
horsepower	745.7	Watts
horsepower (boiler)	33,479	BTU/hr.
horsepower (boiler)	9.803	kilowatts
horsepower-hours	2547	BTU
horsepower-hours	0.7457	kilowatt-hours
inches	2.54	centimeters
inches	25.4	millimeters
inches	0.0254	meters
inches	0.0833	feet
inches of mercury	0.03342 ....	atmospheres
inches of mercury	1.133	feet of water
inches of mercury	13.57	inches of water
inches of mercury	70.73	lbs./sq. ft.
inches of mercury	0.4912	lbs./sq. in. (psi)
inches of water	0.002458 ...	atmospheres
inches of water	0.07355 ....	in. of mercury
inches of water	0.5781	oz./sq. inch
inches of water	5.202	lbs./sq. ft.
inches of water	0.03613 ....	lbs./sq. in. (psi)
kilowatts	56.92	BTU/min.
kilowatts	1.341	horsepower
kilowatts	1000	Watts
kilowatt-hours	3415	BTU
liters	0.2642	gallons
liters	2.113	pints (liquid)
liters	1.057	quarts (liquid)

MULTIPLY	BY	TO OBTAIN
meters	100	centimeters
meters	1000	millimeters
meters	3.281	feet
meters	39.37	inches
meters	1.094	yards
ounces (fluid	1.805	cubic inches
ounces (fluid	0.02957 ....	liters
ounces/sq. in	0.0625	lbs./sq. in. (psi)
ounces/sq. in	1.73	inches of water
pints	0.4732	liter
pounds	16	ounces
pounds of water	0.01602 ....	cubic ft.
pounds of water	27.68	cubic in.
pounds of water	0.1198	gallons
pounds/sq. ft	0.01602 ....	feet of water
pounds/sq. ft	0.006945 ...	lbs./sq. in. (psi)
pounds/sq. in	0.06804 ....	atmospheres
pounds/sq. in	2.307	feet of water
pounds/sq. in	2.036	in. of mercury
pounds/sq. in	27.68	inches of water
temp. (°C)+273	1	absolute temp (°K)
temp. (°C.)+17.78	1.8	temperature (°F)
temp. (°F)+460	1	absolute temp.
temp. (°F.)-32	5/9	temperature (°C)
therm	100,000 ....	BTU
ton, refrigeration	12,000	BTU/hr.
tons (long)	2240	pounds
tons (short)	2000	pounds
watts	3.415	BTU
watts	0.05692 ....	BTU/min.
watts	44.26	foot-pounds/min.
watts	0.7376	foot-pounds/sec.
watts	0.001341 ...	horsepower
watts	0.001	kilowatts
watt-hours	3.415	BTU/hr.
watt-hours	2655	foot-pounds
watt-hours	0.001341 ...	horsepower hrs.
watt-hours	0.001	kilowatt-hours

Pressure conversions

in. H2O	in. Hg	mbar	psi	oz./sq. in.
0.10	0.007	0.20	0.0036	0.0577
0.20	0.015	0.50	0.0072	0.115
0.30	0.022	0.75	0.0108	0.173
0.40	0.029	0.98	0.0145	0.231
0.50	0.037	1.25	0.0181	0.289
0.60	0.044	1.50	0.0217	0.346
0.70	0.051	1.72	0.0253	0.404
0.80	0.059	1.98	0.0289	0.462
0.90	0.066	2.23	0.325	0.520
1.00	0.074	2.50	0.036	0.577
1.36	0.100	3.38	0.049	0.785
1.74	0.128	4.33	0.067	1.00
2.00	0.147	4.97	0.072	1.15
2.77	0.203	6.87	0.100	1.60
3.00	0.221	7.48	0.109	1.73

4.00	0.294	9.95	0.144	2.31
5.00	0.368	12.4	0.181	2.89
6.00	0.442	14.9	0.217	3.46
7.00	0.515	17.4	0.253	4.04

in. H2O	in. Hg	mbar	psi	oz./sq. in.
8.00	0.588	20.0	0.289	4.62
9.00	0.662	22.4	0.325	5.20
10.00	0.74	25.0	0.361	5.77
11.00	0.81	27.4	0.397	6.34
12.00	0.88	29.8	0.433	6.92
13.00	0.96	32.5	0.469	7.50
13.60	1.00	33.8	0.491	7.80
13.90	1.02	34.5	0.500	6.00
14.00	1.06	35.8	0.505	8.08
15.00	1.10	37.2	0.542	8.7
16.00	1.18	40.0	0.578	9.2
17.00	1.25	42.3	0.614	9.8
18.00	1.33	45.0	0.650	10.4
19.00	1.40	47.4	0.686	10.9
20.00	1.47	49.7	0.722	11.5

25.00	1.84	62.3	0.903	14.4
27.20	2.00	67.7	0.975	15.7
27.70	2.03	68.7	1.00	16.0

174 PS224 PS310, PS220, PS555, PS200, PS360 specifications

The Middleby Marshall PS555 is a standout commercial pizza oven renowned for its performance, efficiency, and advanced technologies. Designed with the modern pizzeria in mind, the PS555 delivers exceptional cooking results while maximizing energy efficiency and throughput.

One of the key features of the PS555 is its innovative cooking technology, which incorporates both convection and radiant heat. This unique combination ensures that pizzas are cooked evenly and quickly, achieving a perfectly crispy crust and evenly melted cheese every time. The oven’s high-speed air impingement system accelerates cooking times, allowing pizzerias to serve more customers in less time without compromising quality.

The PS555 is designed with a spacious cooking chamber that can accommodate multiple pizzas simultaneously. With its ability to fit pizzas up to 18 inches in diameter, the oven is ideal for establishments with high demand. Additionally, the adjustable conveyor speed allows operators to customize the cooking time based on their specific menu items, enhancing versatility and productivity.

Energy efficiency is a hallmark of the Middleby Marshall PS555. The oven utilizes advanced insulation materials to minimize heat loss, ensuring that it operates at optimal temperatures while consuming less energy. This efficiency not only reduces operating costs but also contributes to a more sustainable kitchen environment.

User-friendly controls make it simple for operators to manage the cooking process. The PS555 features digital controls with programmable settings, enabling quick adjustments to temperature and cooking time. This ensures consistent quality across different shifts and helps maintain product standards while simplifying staff training.

Durability is another defining characteristic of the PS555. Built with high-quality materials, the oven is designed for heavy use in busy commercial kitchens. Its stainless steel construction ensures resistance to wear and tear, making it a worthwhile investment for any pizzeria.

In summary, the Middleby Marshall PS555 pizza oven is a high-performance piece of equipment that combines advanced cooking technologies, efficiency, and durability. Its ability to deliver consistently excellent results while streamlining operations makes it an essential asset for any pizza business aiming to enhance its productivity and customer satisfaction.

MULTIPLY

TO OBTAIN

BTU

General conversion factors

Pressure conversions

in. H2O

in. Hg

mbar

psi

oz./sq. in.

174

PS224 PS310, PS220, PS555, PS200, PS360 specifications